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Trang đầu Tự Vệ Chống Theo Dõi
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</form> </li> </ul> <a href="/vi/">ssd.eff.org</a> <a href="#off-canvas" class="open-menu">≡</a> </nav> </div> <header class="center"> <a class="logo" href="/vi/" title="Home"> <img alt="Home" class="img-responsive" src="/assets/logo-eba4d85a4e344c3517f7dbff8da80c517937dd9dc3bf42c3f5b77444be4487b9.png" /> </a> <div class="site-name">Surveillance<br/>Self-Defense</div> <div id="tagline">Tips, Tools and How-tos for Safer Online Communications</div> <div id="eff-credit">A Project of the <a href="https://www.eff.org">Electronic Frontier Foundation</a></div> </header> <div id="main-content"> <div class="top-content margins" dir="ltr"> <div dir="ltr"><div class="content"><p>Chúng tôi là Electronic Frontier Foundation, một tổ chức phi lợi nhuận, độc lập, hoạt động để bảo vệ quyền riêng tư & bảo mật trên mạng gần ba mươi năm nay. Tài liệu này là Tự Vệ Chống Theo Dõi: cẩm nang hướng dẫn bạn và người quen cách đề phòng bị theo dõi trên mạng.</p> <p>Đọc phần <a href="/vi/module-categories/c%C6%A1-b%E1%BA%A3n">CƠ BẢN</a> để tìm hiểu cách theo dõi trên mạng như thế nào. Vào phần <a href="/vi/module-categories/c%E1%BA%A9m-nang-c%C3%B4ng-c%E1%BB%A5">CẨM NANG CÔNG CỤ</a> để được hướng dẫn cách cài đặt các ứng dụng tốt nhất, an toàn nhất mà chúng tôi đã chọn ra. Chúng tôi có thêm nhiều thông tin chi tiết trong phần <a href="/vi/module-categories/h%E1%BB%8Dc-h%E1%BB%8Fi-th%C3%AAm">HỌC HỎI THÊM</a>. Nếu muốn được hướng dẫn tham quan, hãy đọc danh sách <a href="/vi/module-categories/c%C3%A1c-tr%C6%B0%E1%BB%9Dng-h%E1%BB%A3p-b%E1%BA%A3o-m%E1%BA%ADt">CÁC TRƯỜNG HỢP BẢO MẬT</a> thông thường nhất.</p> </div></div> </div> <div class="overview-items"> <ul class="inline center"> <li class="leaf" dir="ltr"> <a class="center" href="/vi/module-categories/c%C6%A1-b%E1%BA%A3n"> <img src="https://ssd.eff.org/files/ssd/menu_links/1/ssd-icon-new_0.png" /> <h3>Cơ bản</h3> <span class="summary"><div class="content">All of our Starter Resources in One Place</div></span> </a> <li class="leaf" dir="ltr"> <a class="center" href="/vi/module-categories/c%E1%BA%A9m-nang-c%C3%B4ng-c%E1%BB%A5"> <img src="https://ssd.eff.org/files/ssd/menu_links/2/ssd-icon-download_0.png" /> <h3>Cẩm Nang Công Cụ</h3> <span class="summary"><div class="content">Software that Protects Privacy</div></span> </a> <li class="leaf" dir="ltr"> <a class="center" href="/vi/module-categories/c%C3%A1c-tr%C6%B0%E1%BB%9Dng-h%E1%BB%A3p-b%E1%BA%A3o-m%E1%BA%ADt"> <img src="https://ssd.eff.org/files/ssd/menu_links/3/ssd-icon-sec.png" /> <h3>Security Scenarios</h3> <span class="summary"><div class="content">For a Specific Situation or Security Plan</div></span> </a> </li> </ul> </div> <div class="popular-guides center container"> <h2 dir="ltr">Các Cẩm Nang Phổ Thông</h2> <ul class="flex-parent" dir="ltr"> <li class="leaf"><a href="/vi/module/%C4%91%C3%A1nh-gi%C3%A1-r%E1%BB%A7i-ro-c%E1%BB%A7a-b%E1%BA%A1n">Đánh Giá Rủi Ro của Bạn</a></li> <li class="leaf"><a href="/vi/module/%C4%91i-bi%E1%BB%83u-t%C3%ACnh-hoa-k%E1%BB%B3">Đi biểu tình (Hoa Kỳ)</a></li> <li class="leaf"><a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-d%C3%B9ng-x%C3%A1c-minh-hai-y%E1%BA%BFu-t%E1%BB%91">Làm thế nào: Dùng Xác Minh Hai Yếu Tố</a></li> <li class="leaf"><a href="/vi/module/how-to-detect-bluetooth-trackers">How to: Detect Bluetooth Trackers</a></li> <li class="leaf"><a href="/vi/module/how-to-use-whatsapp">How to: Use WhatsApp</a></li> <li class="leaf"><a href="/vi/module/how-to-use-signal">How to: Use Signal</a></li> </ul> <a class="see-all" dir="ltr" href="#index">Xem tất cả cẩm nang</a> </div> <div class="site-map" id="index"> <div class="flex-parent"> <div class="column"> <h3 dir="ltr"> <a href="/vi/module-categories/c%C6%A1-b%E1%BA%A3n">Cơ bản</a> </h3> <ul> <li dir="ltr"> <a href="/vi/module/animated-overview-how-strong-encryption-can-help-avoid-online-surveillance">Animated Overview: How Strong Encryption Can Help Avoid Online Surveillance</a> </li> <li dir="ltr"> <a href="/vi/module/animated-overview-how-make-super-secure-password-using-dice">Animated Overview: How to Make a Super-Secure Password Using Dice</a> </li> <li dir="ltr"> <a href="/vi/module/animated-overview-protecting-your-device-hackers">Animated Overview: Protecting Your Device From Hackers</a> </li> <li dir="ltr"> <a href="/vi/module/animated-overview-using-password-managers-stay-safe-online">Animated Overview: Using Password Managers to Stay Safe Online</a> </li> <li dir="ltr"> <a href="/vi/module/b%E1%BA%A3y-b%C6%B0%E1%BB%9Bc-%C4%91%E1%BB%83-%C4%91%E1%BA%A1t-b%E1%BA%A3o-m%E1%BA%ADt-s%E1%BB%91">Bảy Bước Để Đạt Bảo Mật Số</a> </li> <li dir="ltr"> <a href="/vi/module/gi%E1%BB%AF-to%C3%A0n-cho-d%E1%BB%AF-li%E1%BB%87u">Giữ An Toàn Cho Dữ Liệu</a> </li> <li dir="ltr"> <a href="/vi/module/li%C3%AAn-l%E1%BA%A1c-v%E1%BB%9Bi-ng%C6%B0%E1%BB%9Di-kh%C3%A1c">Liên lạc với người khác</a> </li> <li dir="ltr"> <a href="/vi/module/l%E1%BB%B1a-ch%E1%BB%8Dn-c%C3%B4ng-c%E1%BB%A5">Lựa Chọn Công Cụ</a> </li> <li dir="ltr"> <a href="/vi/module/m%C3%A3-h%C3%B3a-l%C3%A0-g%C3%AC">Những điều cần biết về mã hóa?</a> </li> <li dir="ltr"> <a href="/vi/module/t%E1%BA%A1i-sao-si%C3%AAu-d%E1%BB%AF-li%E1%BB%87u-quan-tr%E1%BB%8Dng">Tại sao siêu dữ liệu quan trọng</a> </li> <li dir="ltr"> <a href="/vi/module/t%E1%BA%A1o-m%E1%BA%ADt-kh%E1%BA%A9u-m%E1%BA%A1nh">Tạo Mật Khẩu Mạnh</a> </li> <li dir="ltr"> <a href="/vi/module/%C4%91%C3%A1nh-gi%C3%A1-r%E1%BB%A7i-ro-c%E1%BB%A7a-b%E1%BA%A1n">Đánh Giá Rủi Ro của Bạn</a> </li> </ul> </div> <div class="column"> <h3 dir="ltr"> <a href="/vi/module-categories/c%E1%BA%A9m-nang-c%C3%B4ng-c%E1%BB%A5">Cẩm Nang Công Cụ</a> </h3> <ul> <li dir="ltr"> <a href="/vi/module/how-to-detect-bluetooth-trackers">How to: Detect Bluetooth Trackers</a> </li> <li dir="ltr"> <a href="/vi/module/how-to-enable-lockdown-mode-on-iphone">How to: Enable Lockdown Mode on iPhone</a> </li> <li dir="ltr"> <a href="/vi/module/understanding-and-circumventing-network-censorship">How to: Understand and Circumvent Network Censorship</a> </li> <li dir="ltr"> <a href="/vi/module/how-to-use-signal">How to: Use Signal</a> </li> <li dir="ltr"> <a href="/vi/module/how-to-use-tor-on-android-and-iphone">How to: Use Tor on Android and iPhone</a> </li> <li dir="ltr"> <a href="/vi/module/how-to-use-whatsapp">How to: Use WhatsApp</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-d%C3%B9ng-x%C3%A1c-minh-hai-y%E1%BA%BFu-t%E1%BB%91">Làm thế nào: Dùng Xác Minh Hai Yếu Tố</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-m%C3%A3-h%C3%B3a-thi%E1%BA%BFt-b%E1%BB%8B-windows-c%E1%BB%A7a-b%E1%BA%A1n">Làm thế nào: Mã hóa Thiết bị Windows của bạn</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-m%C3%A3-h%C3%B3a-iphone-c%E1%BB%A7a-b%E1%BA%A1n">Làm thế nào: Mã hóa iPhone của bạn</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-s%E1%BB%AD-d%E1%BB%A5ng-tor-cho-linux">Làm thế nào: Sử dụng Tor cho Linux</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-s%E1%BB%AD-d%E1%BB%A5ng-tor-cho-windows">Làm thế nào: Sử dụng Tor cho Windows</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-s%E1%BB%AD-d%E1%BB%A5ng-tor-trong-macos">Làm thế nào: Sử dụng Tor trong macOS</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-tr%C3%A1nh-b%E1%BB%8B-t%E1%BA%A5n-c%C3%B4ng-l%E1%BB%ABa-%C4%91%E1%BA%A3o">Làm thế nào: Tránh bị Tấn Công Lừa Đảo</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-t%E1%BA%A9y-x%C3%B3a-to%C3%A0n-d%E1%BB%AF-li%E1%BB%87u-c%E1%BB%A7a-b%E1%BA%A1n-trong-windows">Làm thế nào: Tẩy xóa an toàn dữ liệu của bạn trong Windows</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-t%E1%BA%A9y-x%C3%B3a-to%C3%A0n-d%E1%BB%AF-li%E1%BB%87u-c%E1%BB%A7a-b%E1%BA%A1n-trong-macos">Làm thế nào: Tẩy xóa an toàn dữ liệu của bạn trong macOS</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-t%E1%BA%A9y-x%C3%B3a-to%C3%A0n-d%E1%BB%AF-li%E1%BB%87u-trong-linux">Làm thế nào: Tẩy xóa an toàn dữ liệu trong Linux</a> </li> </ul> </div> <div class="column"> <h3 dir="ltr"> <a href="/vi/module-categories/h%E1%BB%8Dc-h%E1%BB%8Fi-th%C3%AAm">Học hỏi thêm</a> </h3> <ul> <li dir="ltr"> <a href="/vi/module/b%E1%BA%A3o-v%E1%BB%87-b%E1%BA%A3n-th%C3%A2n-tr%C3%AAn-m%E1%BA%A1ng-x%C3%A3-h%E1%BB%99i">Bảo vệ bản thân trên mạng xã hội</a> </li> <li dir="ltr"> <a href="/vi/module/choosing-the-password-manager-that-s-right-for-you">Choosing a Password Manager</a> </li> <li dir="ltr"> <a href="/vi/module/gi%E1%BB%9Bi-thi%E1%BB%87u-v%E1%BB%81-m%E1%BA%ADt-m%C3%A3-kh%C3%B3a-c%C3%B4ng-khai-v%C3%A0-pgp">Giới thiệu về Mật Mã Khóa Công Khai và PGP</a> </li> <li dir="ltr"> <a href="/vi/module/key-concepts-encryption">Key Concepts in Encryption</a> </li> <li dir="ltr"> <a href="/vi/module/ki%E1%BB%83m-ch%E1%BB%A9ng-ch%C3%ACa-kh%C3%B3a">Kiểm Chứng Chìa Khóa</a> </li> <li dir="ltr"> <a href="/vi/module/l%C3%A0m-th%E1%BA%BF-n%C3%A0o-%C4%91%E1%BB%83-ph%C3%B2ng-ch%E1%BB%91ng-m%C3%A3-%C4%91%E1%BB%99c">Làm thế nào để phòng chống mã độc?</a> </li> <li dir="ltr"> <a href="/vi/module/l%E1%BB%B1a-ch%E1%BB%8Dn-vpn-ph%C3%B9-h%E1%BB%A3p-v%E1%BB%9Bi-b%E1%BA%A1n">Lựa 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