OSINT-for-countries/OSINT_in_Vietnam

# OSINT in Vietnam: Legal Information Search and Open Sources OSINT in Vietnam provides analysts with extensive opportunities to gather reliable information from official registries, local digital platforms, and publicly available media. Researchers benefit from structured government portals and regional data sources that support verification of companies, individuals, and events within legal boundaries. This guide presents practical approaches to conducting open-source research focused on Vietnamese data while respecting applicable regulations and privacy standards.  Help make this guide better! If you notice an error, a broken link, or inaccurate information, please contact us at oosintt@proton.me ## Table of contents ## Basic OSINT Profile of Vietnam Vietnam’s basic OSINT profile supplies the foundational identifiers required for accurate data searches across national systems. Analysts rely on official names, ISO codes, telephone formats, currency details, and time zones to correctly scope their queries and avoid mismatches in records. This section outlines the core reference data that supports efficient verification of Vietnamese entities and locations. * ⬛ Official name * **Local**: Cộng hòa Xã hội chủ nghĩa Việt Nam * **Short**: Việt Nam * **International**: Socialist Republic of Vietnam / Vietnam * ⬛ ISO codes * **ISO 3166-1 alpha-2**: VN * **ISO 3166-1 alpha-3**: VNM * **ISO 3166-1 numeric**: 704 * ⬛ Telephone code * **Country calling code**: +84 * ⬛ National currency * **Name**: Vietnamese đồng * **ISO 4217 code**: VND * **Symbol**: ₫ * **Minor unit**: xu (1/100 đồng) * ⬛ Primary and secondary languages * **Primary official language**: Vietnamese * **Secondary / minority languages**: English is widely used in business, tourism and technical contexts; other languages include French, Chinese, Khmer and various regional minority languages such as Tay, Thai and Muong * ⬛ Time zones * **Time-zone span**: UTC+7 only (single national time zone) * **Main zone**: Indochina Time (ICT), UTC+7; daylight saving time is not observed * ⬛ Date format * **Main official / everyday numeric**: DD/MM/YYYY * **Alternative (legal / technical / database)**: YYYY-MM-DD * **Textual form**: 17 tháng 3 năm 2026 or 17 March 2026 * ⬛ Domain zones * **Primary**: .vn * **National**: None beyond the primary .vn ccTLD * **Government / state**: .gov.vn * **Educational**: .edu.vn * **Other commonly used second-level spaces**: .com.vn, .net.vn, .org.vn, .biz.vn, .info.vn, .int.vn Mastering these profile elements allows researchers to align search parameters with Vietnamese administrative standards from the outset. Consistent application of formats and codes reduces errors when cross-referencing multiple public sources. The information presented here serves as a reliable starting point for any subsequent OSINT activity focused on Vietnam. ## Documents and Citizen Identifiers in Vietnam Vietnamese citizen identifiers and official documents provide structured data points that analysts can use to confirm identities and trace records through public channels. Details such as passport formats, national ID structures, tax numbers, and diploma references help establish reliable linkages between individuals and official registries. This section examines the key document types and their standard formats used within Vietnam’s administrative system. * ⬛ Passport — international travel document proving Vietnamese citizenship and identity outside the country. * **Current biometric passport** (post-2020 series with chip): * **Passport number**: * Format: #******* (1 uppercase Latin letter + 7 digits; 8 characters total) * Example: C1234567 * **Older non-biometric passport** (pre-2020 series): * **Passport number**: * Format: #******* (1 uppercase Latin letter + 7 digits; 8 characters total) * Example: B9876543 * ⬛ ID card — primary domestic identity document for citizens (Căn cước công dân, polycarbonate card with chip). * **Current biometric ID card** (post-2021 issuance): * **Card number**: * Format: ************ (12 digits) * Example: 079203001234 * **Older ID card** (pre-2021 series): * **Card number**: * Format: ********** (9 or 12 digits depending on issuance period) * Example: 123456789 or 001234567890 * ⬛ Driver's licence — document confirming the right to drive motor vehicles. * **Current card-based licence** (post-2020 plastic format): * **Licence number**: * Format: \*\*\#\#\*\*\*\*\*\* (2 digits + 2 letters + 6 digits) * Example: 12AB345678 * **Older paper/plastic licence** (pre-2020 series): * **Licence number**: * Format: \*\*\#\#\*\*\*\*\*\* (2 digits + 2 letters + 6 digits) * Example: 01CD234567 * ⬛ Taxpayer Identification Number — used for tax administration (Mã số thuế). * **Individuals**: * **Tax code**: * Format: ********** (10 digits) * Example: 1234567890 * **Legal entities**: * **Tax code**: * Format: ********** (10 digits) * Example: 9876543210 * ⬛ Social Insurance Number — identifier for social security and pension records. * **Current format**: * **Social insurance number**: * Format: ********** (10 digits) * Example: 0123456789 * ⬛ Biometric Identifiers — captured and stored in document chips. * **ID card chip**: * **Fingerprints and photo**: stored as digital templates (binary data; not human-readable character strings) * **Passport chip**: * **Biometric data**: contactless chip storing portrait and fingerprints (binary data; not human-readable character strings) * ⬛ Military service book — records military registration and service status. * **Current format**: * **Book number**: * Format: ** ******** (2 digits + 8 digits) * Example: 01 12345678 Understanding these identifiers enables precise queries against available open databases and verification portals. Proper handling of transliteration rules and numbering conventions improves the accuracy of cross-source matching. The outlined formats support lawful research while maintaining compliance with data protection expectations. ## Telecommunications and Connectivity in Vietnam Telecommunications data in Vietnam reveals important patterns for mapping digital footprints and contact information through open sources. Analysts examine mobile number structures, major operators, registration requirements, and popular email services to locate publicly visible accounts and connections. This section reviews the technical frameworks that shape how Vietnamese users appear in online directories and platforms. * ⬛ Mobile Number Format * **Number length (including country code)**: 11 digits * **National format**: 0\*\*\-\*\*\*\-\*\*\*\* * **International format**: +84\-\*\*\-\*\*\*\-\*\*\*\* * **Other features**: Country code +84 followed by a 9-digit subscriber number; the first two or three digits after +84 indicate the mobile network operator * ⬛ Major Mobile Operators * **Viettel**: mobile GSM codes - 86*, 96*, 97*, 98*, 39* * **MobiFone**: mobile GSM codes - 89*, 90*, 93*, 79* * **Vinaphone**: mobile GSM codes - 88*, 91*, 94*, 83* * **Vietnamobile**: mobile GSM codes - 92*, 56* * **Gmobile**: mobile GSM codes - 99*, 59* * ⬛ Virtual Operators (MVNOs) * **Reddi (on Viettel network)**: mobile GSM codes - 86*, 96* * **MobiFone MVNO partners**: mobile GSM codes - 89*, 90* * **Itelecom**: mobile GSM codes - 92* * ⬛ eSIM Availability * **eSIM support status**: Available from major operators including Viettel, MobiFone and Vinaphone * **Activation format**: QR code scan or via operator mobile application * ⬛ SIM Registration * **General rule**: SIM/eSIM issuance requires subscriber identification; anonymous retail sales are not permitted * **Local citizens**: National ID card or citizen identity card * **Foreign citizens**: Valid passport together with temporary residence card or visa documentation * ⬛ Popular Email Services * **Google (Gmail)**: @gmail.com * **Microsoft (Outlook/Hotmail)**: @outlook.com, @hotmail.com, @live.com * **Yahoo Mail**: @yahoo.com, @yahoo.com.vn * **Proton Mail**: @proton.me, @protonmail.com * **Zoho Mail**: @zohomail.com * **VNeID-linked services**: @vneid.gov.vn (limited official use) Effective use of these connectivity details helps researchers narrow searches to relevant operators and services within the country. Awareness of registration practices supports ethical verification of publicly listed numbers and profiles. The information assists in building accurate communication maps for OSINT purposes. ## Social Media and Messaging Platforms in Vietnam Social media and messaging platforms in Vietnam serve as valuable open sources for observing public activity, professional networks, and regional discussions. Analysts can explore both global and locally popular services to gather contextual information on individuals and organizations. This section introduces the primary platforms that shape online presence and interaction patterns across the country. ## Social Networks in Vietnam Major social networks in Vietnam combine international platforms with strong local alternatives that reflect domestic user preferences. Analysts review mass-appeal sites, niche professional networks, and community-focused platforms to locate publicly shared content and connections. This section highlights the most relevant networks for targeted open-source monitoring. #### Main Social Networks * ⬛ [Facebook](https://www.facebook.com/) * **Description**: Global social network with user profiles, pages, groups, events, and mixed-media posts. * **Popularity**: Very high; dominant platform by user base and daily engagement across Vietnam. * **Locality**: No — global platform. * **Ease of information discovery**: High — public pages, groups, and searchable posts enable broad OSINT coverage through names, locations, and connections. * **Restrictions**: Currently accessible (as of 2024); subject to content regulation and occasional targeted blocking of specific pages or groups. * ⬛ [YouTube](https://www.youtube.com/) * **Description**: Video-sharing platform with channels, subscriptions, comments, and live streams. * **Popularity**: Very high; leading video platform and major source of social traffic in Vietnam. * **Locality**: No — global platform. * **Ease of information discovery**: High — robust search by channel, video title, comments, and metadata supports detailed open-source analysis. * **Restrictions**: Currently accessible (as of 2024); content takedowns occur under local regulations but platform access remains open. * ⬛ [TikTok](https://www.tiktok.com/) * **Description**: Short-form video social platform with algorithmic feed, creator profiles, comments, and live streams. * **Popularity**: Very high; one of the fastest-growing platforms with massive youth and general audience reach. * **Locality**: No — global platform. * **Ease of information discovery**: Medium–high — public videos and profiles are searchable via usernames, hashtags, and sounds, though recommendation-driven design limits some indexing. * **Restrictions**: Currently accessible (as of 2024); monitored for content compliance with Vietnamese regulations. * ⬛ [Instagram](https://www.instagram.com/) * **Description**: Photo and short-form video social network with profiles, posts, Reels, stories, hashtags, and geotagging. * **Popularity**: High; widely used for visual content and influencer activity. * **Locality**: No — global platform. * **Ease of information discovery**: Medium — public accounts and hashtags provide useful entry points, though many profiles are private. * **Restrictions**: Currently accessible (as of 2024); no nationwide blocking reported. #### Regional Social Networks * ⬛ [Zalo](https://zalo.me/) * **Description**: Vietnamese multi-purpose platform combining messaging, news feed, groups, and mini-apps. * **Popularity**: Very high; leading local platform with near-universal adoption for both social and communication functions. * **Locality**: Yes — developed and primarily used in Vietnam. * **Ease of information discovery**: Medium — public groups, official accounts, and some profiles are searchable, though much activity remains private. * **Restrictions**: Fully accessible (as of 2024); operates under local regulatory oversight. #### Major Specialized Social Networks * ⬛ [LinkedIn](https://www.linkedin.com/) * **Description**: Professional networking platform focused on careers, resumes, and business connections. * **Popularity**: Medium; used primarily by professionals, recruiters, and businesses. * **Locality**: No — global platform. * **Ease of information discovery**: Medium — many profiles are public and structured by employment history and skills. * **Restrictions**: Currently accessible (as of 2024); no specific nationwide restrictions identified. ## Messaging Apps in Vietnam Messaging applications widely used in Vietnam facilitate both personal and business communications that sometimes appear in public or semi-public contexts. Researchers examine dominant apps and any localized alternatives to understand typical contact and group interaction patterns. This section covers the primary tools that influence how Vietnamese users exchange information online. #### Main Messaging Apps * ⬛ [Zalo](https://zalo.me/) * **Description**: Multi-purpose messaging app with chats, calls, channels, and integrated social features. * **Popularity**: Very high; leading messaging platform for personal and business communication. * **Locality**: Yes — primarily used in Vietnam. * **Ease of information discovery**: Medium — public channels and profiles exist, but most conversations remain private. * **Restrictions**: Currently accessible with no nationwide blocks. * ⬛ [Facebook Messenger](https://www.messenger.com/) * **Description**: Messaging app tied to Facebook profiles with chats, calls, and group features. * **Popularity**: Very high; widely used due to Facebook’s overall dominance. * **Locality**: No — global platform. * **Ease of information discovery**: Low — communications are primarily private with limited public indexing. * **Restrictions**: Currently accessible with no nationwide blocks. * ⬛ [Telegram](https://telegram.org/) * **Description**: Cloud-based messaging platform with private chats, groups, and broadcast channels. * **Popularity**: High; popular for channels, communities, and privacy-focused users. * **Locality**: No — global platform. * **Ease of information discovery**: High — public channels, groups, and usernames create a substantial open-data surface. * **Restrictions**: Currently accessible with no nationwide blocks. * ⬛ [WhatsApp](https://www.whatsapp.com/) * **Description**: Mobile-first messaging and calling app built around phone-number identity. * **Popularity**: Medium; used for international and personal contacts. * **Locality**: No — global platform. * **Ease of information discovery**: Low — communications are primarily private with minimal public surface. * **Restrictions**: Currently accessible with no nationwide blocks. #### Regional Messaging Apps No dedicated regional messaging apps beyond Zalo are widely adopted in Vietnam. ## Search Engines and Local Internet in Vietnam Search engines and local internet resources in Vietnam provide tailored pathways to discover region-specific content and official records. Analysts benefit from understanding both global engines and domestic portals that index Vietnamese-language material and public databases. This section explores the most effective tools for locating open information within the national digital environment. ### Main Search Engines * ⬛ [Google](https://www.google.com/) * **Description**: The leading global search engine providing web, images, maps, news, video, and AI-enhanced results with strong multilingual support. * **Popularity**: Dominant in Vietnam with the largest market share. * **Locality**: Global; widely used across Vietnam in Vietnamese, English, and other languages. * **Ease of information discovery**: Very high – delivers highly relevant Vietnamese-language results and indexes local news, forums, and public records effectively for OSINT tasks. * **Restrictions**: Fully accessible; no government-imposed blocks or systematic censorship on search results. * ⬛ [Cốc Cốc](https://coccoc.com/) * **Description**: A Vietnamese search engine built on Bing infrastructure with localized Vietnamese-language processing, news aggregation, and integrated services. * **Popularity**: Moderate; second most-used search engine among Vietnamese users. * **Locality**: Local; developed specifically for Vietnam and used primarily within the country. * **Ease of information discovery**: High – strong coverage of Vietnamese websites, local media, and community content that may be less prominent in global engines. * **Restrictions**: Fully accessible; no additional local filtering beyond standard engine policies. * ⬛ [Bing](https://www.bing.com/) * **Description**: Microsoft’s international search engine with image, video, and news integration plus AI features. * **Popularity**: Low; limited user base in Vietnam. * **Locality**: Global; not tailored specifically to Vietnamese users. * **Ease of information discovery**: Moderate – useful for English-language and international sources but less optimized for Vietnamese local content. * **Restrictions**: Accessible; standard content policies with no Vietnam-specific censorship. ### Alternative Search Engines * ⬛ [DuckDuckGo](https://duckduckgo.com/) * **Description**: Privacy-focused search engine that aggregates results from multiple sources without tracking users. * **Popularity**: Very low; used mainly by privacy-conscious or niche audiences. * **Locality**: Global; no dedicated Vietnamese localization or interface. * **Ease of information discovery**: Moderate – provides unbiased results but lacks deep indexing of Vietnamese-language or local sources. * **Restrictions**: Accessible; no personalization or local censorship. * ⬛ [Yahoo](https://search.yahoo.com/) * **Description**: General web search combined with news and portal services. * **Popularity**: Very low; minimal usage in Vietnam. * **Locality**: Global; not region-specific to Vietnam. * **Ease of information discovery**: Low – overlaps with Bing results and offers limited Vietnamese local coverage. * **Restrictions**: Accessible; follows standard global filtering rules. ### Map Search * ⬛ [Google Maps](https://maps.google.com/) * **Description**: Comprehensive mapping service with street maps, satellite imagery, Street View, business listings, and real-time traffic data. * **Popularity**: Very high – primary mapping platform for most Vietnamese users. * **Locality**: Global; fully covers Vietnam with Vietnamese and English interfaces. * **Ease of information discovery**: Very high – excellent for locating addresses, organizations, infrastructure, and geolocation data essential for OSINT. * **Restrictions**: Accessible; user-generated content and map data not subject to government filtering. * ⬛ [Map4D](https://map4d.vn/) * **Description**: Vietnamese-developed mapping platform offering detailed city maps, navigation, and points of interest with local data integration. * **Popularity**: Moderate among local users and businesses. * **Locality**: Local; focused on Vietnam with strong coverage of major cities and regions. * **Ease of information discovery**: High – useful for detailed local business directories and Vietnamese-language place information. * **Restrictions**: Accessible; operates without external censorship on public mapping data. ### Local-specific search * ⬛ Specific search and tools * [Vietnam National Data Portal](https://data.gov.vn/) – Official open data platform aggregating government datasets across sectors for public reuse and verification. * [VNNIC WHOIS](https://whois.vn/) – Official registry search for .vn domains providing registrant and technical contact information for domain attribution. * [Ministry of Justice Legal Database](https://vbqppl.moj.gov.vn/) – Searchable repository of Vietnamese laws, decrees and normative documents for legal status checks. * [Vietnam Post Address Search](https://www.vnpost.vn/) – Official postal service tool for locating branches, postcodes and address normalization. * [National Address Database](https://diachi.gov.vn/) – Government address registry supporting official toponymy and location verification queries. Vietnamese search landscapes reward researchers who combine international engines with local thematic directories and map-based systems. These resources often surface official announcements, business listings, and community content not easily found elsewhere. Mastery of these tools strengthens the depth and relevance of OSINT findings. ## Government and Semi-Official Online Services in Vietnam Government and semi-official online services in Vietnam offer structured access to company records, court decisions, property data, and licensing information. Analysts use these portals to verify entities, check regulatory status, and review publicly disclosed official actions. This section surveys the key services that support lawful verification and background research. * ⬛ Services for checking companies and entrepreneurs * **[National Business Registration Portal](https://dangkykinhdoanh.gov.vn/)** – Official state registry of legal entities, individual business households and enterprise information searchable by name, tax code or registration number. * **[Business Registration Information System](https://dichvucong.gov.vn/)** – Central government portal providing public extracts on company status, legal representatives and basic registration history. * ⬛ Services for court decisions and trial results * **[Judgment Publication Portal](https://congbobanan.toaan.gov.vn/)** – Official database of anonymized court judgments from courts of all levels, searchable by case type, court and keywords. * **[Supreme People’s Court Portal](https://www.toaan.gov.vn/)** – Public section containing selected decisions, procedural information and court statistics. * ⬛ Real Estate and Cadastral registers * **[National Land Information System](https://www.monre.gov.vn/)** – Ministry of Natural Resources and Environment portal offering limited public access to land-use planning data and cadastral maps in selected provinces. * **[Land Registration Office Services](https://dichvucong.gov.vn/)** – Provincial-level public services for requesting extracts on land-use rights and ownership status (subject to access restrictions). * ⬛ Services for checking driver’s licenses and driving permits * **[Traffic Police E-Services](https://www.csgt.vn/)** – Ministry of Public Security portal providing verification of vehicle registration status and limited license-related information through official channels. * ⬛ Services for checking tax status * **[General Department of Taxation Public Services](https://www.gdt.gov.vn/)** – Official tax authority portal with public lookup functions for tax identification numbers and enterprise tax obligations. * ⬛ Public lists of licenses and certificates * **[National Single Window Portal](https://www.dichvucong.gov.vn/)** – Unified government platform listing business licenses, permits and certificates issued by various ministries. * **[Ministry of Industry and Trade License Registry](https://www.moit.gov.vn/)** – Sector-specific registers for import-export, trading and industrial licenses. * ⬛ Services for checking public officials and government data registers * **[Public Asset Declaration Portal](https://www.tuyengiao.vn/)** – Selected asset and income declarations of senior officials published in accordance with anti-corruption legislation. * **[National Assembly and Government Directories](https://quochoi.vn/)** – Official lists of elected representatives and senior government appointees. * ⬛ Portals of open data and datasets in various directions * **[Vietnam Open Data Portal](https://data.gov.vn/)** – Central government CKAN-based repository of public datasets covering economy, population, environment and administration. * **[General Statistics Office](https://www.gso.gov.vn/)** – Official statistical agency publishing national indicators, census results and sectoral reports. * ⬛ Other key information verification services * **[Wanted Persons and Vehicles Notices](https://www.csgt.vn/)** – Publicly accessible lists of wanted individuals and stolen vehicles maintained by the traffic police. * **[National e-Procurement System](https://muasamcong.mpi.gov.vn/)** – Transparent database of public tenders and awarded contracts. These platforms enable systematic checks against authoritative sources while remaining within legal boundaries. Regular consultation of such services helps maintain up-to-date profiles of businesses and individuals. The outlined resources form an essential part of professional OSINT practice in Vietnam. ## Geography and Addressing System in Vietnam Vietnam’s geography and addressing system influences how locations are recorded and discovered in public records and directories. Analysts examine address formats, postal codes, administrative divisions, and the use of Latin script versus local characters to improve search precision. This section explains the conventions that shape location-based open-source inquiries. * ⬛ Format of Addresses * **Key elements**: * Full name of recipient (for individuals) or organization name (for legal entities) * House/street number and street name (số nhà, đường/phố) * Ward/commune (phường/xã) * District/town (quận/huyện/thị xã) * Province or centrally governed city (tỉnh/thành phố trực thuộc trung ương) * Postal code * **Examples**: * Nguyễn Văn Minh, 45 Đường Nguyễn Huệ, Phường Bến Nghé, Quận 1, TP. Hồ Chí Minh, 700000 * Công ty TNHH ABC, 12 Đường Lê Lợi, Phường 5, Quận 3, TP. Hồ Chí Minh, 700000 * ⬛ Postal codes * **Length**: Six digits - ****** * **Key elements**: * First two digits indicate province or major city * Remaining four digits specify post office or delivery zone * **Examples**: * 100000 - central Hanoi area * 700000 - central Ho Chi Minh City * 550000 - Da Nang central district * ⬛ Administrative division * **Level formats**: * Country → Province (tỉnh) or centrally governed city (thành phố trực thuộc trung ương) → District (quận/huyện) → Ward/commune (phường/xã) * **Main levels**: * 63 provinces and centrally governed cities * Districts, urban districts, towns and district-level cities * Wards, communes and townships * ⬛ Street and district naming conventions * **Common street types**: * Đường (street, abbr. “Đ.”) * Phố (street in older urban areas) * Đại lộ (boulevard) * Quảng trường (square) * Phường (urban ward) * Xã (rural commune) * **Examples**: * 45 Đường Nguyễn Huệ * 12 Phố Hàng Bông * Phường Bến Nghé, Quận 1 * ⬛ Alphabet usage * Official addresses and postal items use the Vietnamese Latin alphabet with diacritics * Domestic mail is written in Vietnamese using Latin script * Latin script with Vietnamese diacritics is mandatory for all official domestic registries and postal services; international mail may include English transliteration alongside Vietnamese Accurate interpretation of Vietnamese addressing conventions reduces ambiguity when matching records across different databases. Understanding regional naming practices supports more reliable geospatial analysis. The details presented here enhance the quality of location verification in OSINT workflows. ## Business and Economy of Vietnam Vietnam’s business and economic environment generates publicly available information on company registration, ownership structures, and financial disclosures. Analysts can examine official business registries and reporting requirements to assess organizational profiles. This section reviews the forms of enterprise and the types of data released into open sources. * ⬛ Forms of ownership and business * **Sole Proprietorship (Hộ kinh doanh cá thể)** – A one-person business operated by an individual or household, with unlimited personal liability and no separate legal personality. * **Limited Liability Company (Công ty TNHH)** – The most common corporate form; can be established by one or more members with liability limited to their capital contributions. * **Joint Stock Company (Công ty Cổ phần)** – A share-based company that may be public or private; capital is divided into shares and shareholders’ liability is limited to the value of their shares. * **Partnership (Công ty hợp danh)** – A business with at least two general partners who bear unlimited liability and may include limited partners with liability restricted to their contributions. * **Foreign-invested enterprises** – Wholly foreign-owned companies, joint ventures, or representative offices established under the Law on Investment. * **State-owned enterprises** – Commercial entities wholly or majority-owned by the state, operating under specific regulations. * **Cooperative (Hợp tác xã)** – A member-owned organization for mutual economic benefit, primarily in agriculture, services, or small-scale production. * **Non-profit organizations** – Associations, foundations, and social funds that pursue social or charitable objectives without distributing profits to founders. * ⬛ How business is registered * All commercial entities are registered through the National Business Registration Portal or provincial Departments of Planning and Investment under a single-window system. * Online submission is available via the national portal using a digital signature; paper filings can be made at local registration offices. * Required documents for a limited liability company typically include the application form, charter, founders’ identification, proof of legal address, and evidence of capital contribution. * Sole proprietors register with basic identification and a statement of business activities; registration is usually completed within three to five working days. * Economic activities are classified according to Vietnam’s Standard Industrial Classification (VSIC); certain sectors require additional licenses or approvals from specialized ministries. * Foreign investors must obtain an Investment Registration Certificate before or together with business registration. * ⬛ What is published publicly * The National Business Registration Portal provides free public search of company records, including full legal name, enterprise code, legal form, registration date, and current status. * Public data also include the registered address, legal representative’s name, charter capital, and principal business lines (VSIC codes). * Information on branches, representative offices, and changes in registration data (such as address or management updates) is recorded and searchable. * Details of licenses for regulated activities and notices of dissolution or bankruptcy are accessible through the same portal or linked official bulletins. * Basic shareholder or member information is available within statutory disclosure limits, though full ownership structures may require additional verification. * ⬛ Availability of financial reports * Private companies file financial statements with tax authorities; these are not publicly accessible except for aggregated statistical data. * Public joint stock companies and listed entities must disclose audited annual and interim financial reports through the State Securities Commission and stock exchange portals. * Large state-owned enterprises publish selected financial indicators on government or ministry websites as required by transparency regulations. * No centralized public database provides full financial statements for the majority of private Vietnamese companies. Access to these economic indicators allows researchers to build credible pictures of commercial activity without breaching privacy rules. Publicly disclosed filings and registry extracts provide valuable context for due diligence. The information supports lawful economic and corporate OSINT in Vietnam. ## Media and News in Vietnam Media and news sources in Vietnam supply timely public information and archival material useful for contextual analysis. Analysts review major outlets, state publications, regional portals, and language options to track coverage of events and entities. This section identifies the primary channels that contribute to open-source intelligence gathering. * ⬛ Key Media * [Vietnam News Agency (VNA)](https://vietnamnews.vn/) – Official state news agency providing domestic and international coverage in Vietnamese and English. * [Nhân Dân](https://nhandan.vn/) – Central newspaper of the Communist Party of Vietnam, publishing official policy and political news. * [Tuổi Trẻ](https://tuoitre.vn/) – Major daily newspaper with broad national coverage of politics, society and economy. * [Thanh Niên](https://thanhnien.vn/) – Leading daily newspaper focused on current affairs and investigative reporting. * [VnExpress](https://vnexpress.net/) – Largest online news portal offering real-time domestic and world news. * [VietnamNet](https://vietnamnet.vn/) – Popular digital platform covering politics, business and technology. * ⬛ Regional Portals * [Sài Gòn Giải Phóng](https://www.sggp.org.vn/) – Major Ho Chi Minh City newspaper covering southern regional developments. * [Hà Nội Mới](https://hanoimoi.com.vn/) – Primary newspaper for Hanoi and northern provinces. * [Đà Nẵng Online](https://danang.gov.vn/) – Official portal for Da Nang city and central region news. * ⬛ News Archives * [National Library of Vietnam](https://nlv.gov.vn/) – Maintains extensive collections of historical Vietnamese newspapers and periodicals. * [Wayback Machine](https://archive.org/web) – Preserves archived versions of Vietnamese news websites. * ⬛ Publication Languages * **Main language**: Vietnamese – Dominant language across virtually all domestic print, broadcast and online media. * **Other languages**: English editions are published by state outlets (VNA, VnExpress, VietnamNet) for international audiences; limited content appears in French, Chinese or Russian through select state-affiliated channels. * ⬛ Censorship and Press Freedom * **Repression level**: Vietnam maintains tight state control over all media; RSF’s 2024 Press Freedom Index ranks the country 142nd out of 180. * **Legislation**: The 2016 Press Law and subsequent decrees require all outlets to follow Communist Party guidelines and prohibit independent licensing. * **Media environment**: Independent journalism is effectively absent; critical or foreign-funded outlets face blocking, license revocation or criminal charges. * **Internet controls**: Authorities routinely block websites and social media content deemed politically sensitive; VPN use is common for accessing restricted sources. Vietnamese media archives and regional reporting often contain details unavailable through other public channels. Careful monitoring of these sources helps corroborate facts and identify emerging developments. The outlined landscape supports balanced and legally compliant news-based research. ## Major Local Data Platforms in Vietnam Major local data platforms in Vietnam aggregate marketplace listings, reviews, service directories, and user-generated content that can reveal public activity patterns. Analysts explore classified sites, job boards, and review platforms to locate supplementary information on individuals and businesses. This section covers the most relevant platforms for expanding open-source datasets. * ⬛ Marketplaces and Classified Ads * [Chợ Tốt](https://chotot.com) – Vietnam’s largest classifieds platform covering vehicles, real estate, electronics, goods and services with extensive user profiles and ad histories. * [Tiki](https://tiki.vn) – Major domestic e-commerce marketplace featuring product cards, seller ratings and buyer activity data. * [Sendo](https://sendo.vn) – Local marketplace focused on Vietnamese vendors with user accounts, transaction records and regional filters. * ⬛ Review Services * Dedicated standalone review platforms are limited; most user-submitted feedback and ratings are integrated into major marketplaces such as Tiki and Shopee. * ⬛ Service and Freelance Platforms * [123Job](https://123job.vn) – Gig and service marketplace with executor profiles, ratings and temporary job listings. * [ViecLam24h](https://vieclam24h.vn) – Platform for on-demand services and freelance tasks featuring worker profiles and activity history. * ⬛ Job Platforms * [VietnamWorks](https://www.vietnamworks.com) – Leading national job board with large databases of resumes, vacancies and candidate professional details. * [TopCV](https://www.topcv.vn) – Vietnamese employment portal offering CVs, job matching and user career information. * ⬛ Comments and UGC Platforms * [Webtretho](https://www.webtretho.com) – Popular Vietnamese forum and user-generated content site with discussions, comments and member profiles. * [Voz](https://voz.vn) – Long-established community forum containing threads, comments and historical user activity. These platforms frequently host publicly shared details that complement official records. Systematic review of listings and comments can surface useful contextual leads. The resources described here extend the reach of lawful OSINT investigations. ## Archival Data in Vietnam Archival data in Vietnam includes digitized historical registries, website snapshots, and government records that support longitudinal research. Analysts consult these sources to trace past registrations, ownership changes, and public announcements. This section examines available archival avenues for extending the temporal depth of open-source analysis. * ⬛ Website archives * [Wayback Machine](https://web.archive.org) – Global web archive providing historical snapshots of Vietnamese government, media, and organizational websites. * [Archive.today](https://archive.today) – On-demand web archiving service for capturing and preserving current Vietnamese webpages. * [Library of Congress Web Archives](https://www.loc.gov/websites/) – Collection of archived Vietnamese government and institutional sites. * ⬛ Historical data registries * [FamilySearch Vietnam](https://www.familysearch.org) – Genealogical and historical records including civil registrations and select military-related collections. * [General Statistics Office of Vietnam – Historical Censuses](https://www.gso.gov.vn) – Official population census results and demographic data from previous decades. * [Vietnam National Archives – War and Administrative Records](https://archives.gov.vn) – Digitized historical documents covering administrative, military, and resettlement records. * ⬛ Government digital archives * [National Archives of Vietnam](https://archives.gov.vn) – Central portal for federal archival fonds with descriptions and selected digitized documents. * [National Library of Vietnam Digital Collections](https://nlv.gov.vn) – Historical newspapers, official gazettes, and government publications in digital format. * [Vietnam Open Data Portal](https://data.gov.vn) – Official government platform aggregating public datasets from state agencies. Access to such historical material enables verification of long-term patterns and entity evolution. Researchers gain additional context when current records alone prove insufficient. The outlined archives strengthen the robustness of Vietnam-focused OSINT projects. ## Cultural and Behavioral Characteristics of Vietnam Cultural and behavioral characteristics in Vietnam shape how individuals and organizations present themselves in public digital spaces. Analysts consider local customs, communication styles, and social norms to interpret online content accurately. This section highlights distinctive traits that influence open-source observation and analysis. * ⬛ Noticeable Behavioral Differences * **Indirect and harmony-focused communication**: Individuals often convey information indirectly to preserve social harmony and avoid confrontation, particularly in formal or unfamiliar settings, differing from more direct styles common in Western contexts ([Source](https://www.commisceo-global.com/country-guides/vietnam-guide)). * **Strong hierarchical respect patterns**: Deference to elders, superiors, and authority figures is consistently observed, with subordinates rarely challenging decisions openly in professional or official interactions ([Source](https://www.hofstede-insights.com/country-comparison-tool?countries=vietnam)). * **High reliance on personal networks**: Information and opportunities are frequently accessed through trusted family, community, or alumni connections rather than formal institutional channels ([Source](https://www.everyculture.com/To-Z/Vietnam.html)). * **Hospitality as an initial interaction norm**: Social and business exchanges typically begin with extended small talk and offers of tea or refreshments before substantive topics are addressed ([Source](https://www.commisceo-global.com/country-guides/vietnam-guide)). * **Cautious public and digital expression**: Due to regulatory oversight of online content, individuals tend to limit open discussion of sensitive political or social issues on public platforms ([Source](https://freedomhouse.org/country/vietnam/freedom-net/2023)). * ⬛ Key Cultural Characteristics * **Collectivist and family-centric structure**: Extended family networks remain central to identity, decision-making, and informal information exchange across generations ([Source](https://www.everyculture.com/To-Z/Vietnam.html)). * **High power distance with Confucian influences**: Societal norms emphasize respect for hierarchy, age, and status, shaping how information is requested and shared in both offline and digital environments ([Source](https://www.hofstede-insights.com/country-comparison-tool?countries=vietnam)). * **Bilingual and regional language environment**: Vietnamese is dominant, yet English is increasingly used in business and urban online spaces, while regional dialects affect local information sources ([Source](https://www.commisceo-global.com/country-guides/vietnam-guide)). * **Emphasis on reputation and face-saving**: Public behavior and online activity are strongly guided by concerns over social standing and group perception, influencing disclosure patterns ([Source](https://www.everyculture.com/To-Z/Vietnam.html)). * **Rapid digital adoption alongside state oversight**: High mobile and social media penetration exists, yet users frequently navigate local platforms and self-censorship practices when seeking or sharing information ([Source](https://datareportal.com/reports/digital-2023-vietnam)). Recognizing these cultural nuances helps researchers avoid misinterpretation of publicly shared information. Sensitivity to behavioral patterns improves the quality of contextual assessments. The insights support more precise and respectful OSINT practice. ## Religious Characteristics of Vietnam Religious characteristics in Vietnam influence community structures, public events, and certain organizational affiliations visible in open sources. Analysts review the main religious traditions and their societal roles to better understand contextual references in public records and media. This section outlines the religious landscape relevant to information gathering. * ⬛ Religious characteristics * **Officially atheist state with constitutional religious freedom**: Vietnam’s constitution establishes freedom of belief while declaring the state secular and prohibiting religious influence in governance or education; all religious activities remain subject to registration and oversight by the Committee for Religious Affairs. ([Source](https://www.cia.gov/the-world-factbook/countries/vietnam/)) * **Predominant folk religion and Mahayana Buddhism**: Roughly 70–80 % of the population participates in syncretic practices combining Mahayana Buddhism, ancestor veneration, and local spirit worship, although formal affiliation is often not declared in official statistics. ([Source](https://www.pewresearch.org/religion/2014/04/04/global-religious-diversity/)) * **Recognized Catholic minority**: Approximately 7 % of citizens identify as Roman Catholic, forming the second-largest religious community and concentrated mainly in the south and Mekong Delta provinces. ([Source](https://www.state.gov/reports/2022-report-on-international-religious-freedom/vietnam/)) * **Officially recognized indigenous religions**: Cao Dai and Hoa Hao, each representing 1–2 % of the population, are registered with the state and combine Buddhist, Taoist, and Vietnamese folk elements; both maintain distinct organizational structures and places of worship. ([Source](https://www.state.gov/reports/2022-report-on-international-religious-freedom/vietnam/)) * **Mandatory registration of religious organizations**: The 2016 Law on Belief and Religion requires all groups to obtain legal status through a multi-level approval process, with the government retaining authority over leadership appointments and public activities. ([Source](https://www.state.gov/reports/2022-report-on-international-religious-freedom/vietnam/)) * **Low regular observance despite cultural identification**: National surveys indicate that only a small percentage of the population attends organized religious services weekly, with participation often limited to festivals, funerals, and ancestral commemorations. ([Source](https://www.pewresearch.org/religion/2014/04/04/global-religious-diversity/)) Awareness of these characteristics assists in correctly interpreting references found in news, directories, and community platforms. The information contributes to a fuller picture without intruding on private beliefs. Researchers benefit from this background when conducting culturally informed analysis. ## Limitations and Legal Framework in Vietnam Vietnam’s legal framework defines clear boundaries for the collection and use of open-source information. Analysts must understand what constitutes personal data, which sources are publicly accessible, and which activities remain prohibited. This section summarizes the key legal considerations that govern lawful OSINT activities in the country. * ⬛ What is considered personal data * **Decree No. 13/2023/ND-CP on Personal Data Protection** – Establishes rules for the collection, processing, storage, and cross-border transfer of personal data in Vietnam. * **Personal data** – Any information relating to an identified or identifiable individual, including full name, date of birth, ID number, address, phone number, email, IP address, and location data. * **Sensitive personal data** – Information on health, biometrics, ethnicity, political or religious beliefs, sexual orientation, and criminal records. * **Data subject consent** – Required as the primary legal basis for processing unless another lawful ground is specified by law. * ⬛ What is allowed to search * **Law on Access to Information 2016** – Defines the right to access public information held by state agencies and outlines procedures for disclosure. * **National Business Registration Portal** – Provides open access to company registration data, legal representatives, and basic corporate records. * **Court judgment databases and official gazettes** – Publicly available decisions and regulatory announcements released by government authorities. * **Publicly posted information** – Data voluntarily shared on websites, forums, and social media platforms in accordance with platform terms. * **Media reports, academic publications, and statistical data** – Open sources issued by official or licensed entities. * **Anonymized or aggregated datasets** – Information that does not permit identification of individuals. * ⬛ What is prohibited to search * **Decree No. 13/2023/ND-CP** – Prohibits processing of personal data without a valid legal basis or consent where required. * **Law on Cybersecurity 2018** – Forbids unauthorized access to computer systems and illegal collection of data. * **Penal Code Article 159** – Criminalizes infringement of citizens’ right to privacy through illegal collection or disclosure of personal information. * **Acquisition or use of leaked databases** – Prohibits obtaining, purchasing, or distributing personal data from unauthorized breaches. * **Social engineering or circumvention of access controls** – Bars collection of restricted information through deceptive or technical means. * ⬛ Liability for abuse * **Decree No. 13/2023/ND-CP** – Administrative fines for unlawful processing or failure to protect personal data. * **Penal Code Article 159** – Criminal penalties including fines, community service, or imprisonment for serious privacy violations. * **Law on Cybersecurity 2018** – Sanctions for unauthorized access to information systems, including fines and possible criminal prosecution. * **Civil liability** – Obligation to compensate individuals for material or moral damages resulting from unlawful data handling. * **Content restriction measures** – Possible blocking or takedown of online resources that violate data protection or cybersecurity regulations. Adherence to these limitations protects researchers from regulatory risks while maintaining ethical standards. Knowledge of Vietnamese data protection rules supports responsible verification practices. The guidance helps ensure that all information gathering remains within permitted open-source boundaries. ## Disclaimer and Legal Notice This material is provided for informational, educational, and research purposes only. All information referenced in this document is intended to be collected from publicly available open sources, official registers, public websites, media publications, open data portals, and other legally accessible resources. The content does not encourage, support, or authorize unauthorized access to computer systems, private accounts, restricted databases, leaked datasets, confidential records, or any information obtained unlawfully. Readers are responsible for ensuring that their research activities comply with applicable laws, platform terms of service, privacy regulations, data protection rules, and ethical standards in their own jurisdiction. No personal data should be collected, stored, processed, shared, or published without a valid legal basis, consent, or another lawful justification. Any examples, methods, or references described in this material must be used only within legal and ethical boundaries. The authors and publishers of this document do not provide legal advice and do not accept responsibility for any misuse of the information, tools, links, or methods mentioned. Users act at their own risk and are solely responsible for how they interpret and apply the information. If any data source, link, or method mentioned in this document becomes restricted, outdated, inaccurate, or legally unavailable, it should not be used. Always verify information through official sources and respect privacy, security, and human rights. [Go back to the catalog of countries](https://github.com/OSINT-for-countries)

标签：ESC4, OSINT, 信息搜集, 实时处理, 开源情报, 数据检索, 调查指南, 越南