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Surveillance
Self-Defense

Tool Guides

Below are step-by-step tutorials to help you install and use handy privacy and security tools. Surveillance Self-Defense encourages you to think about online privacy and security in a sophisticated way. We want to give you the power to choose tools and habits that work for you. We creating a security plan before moving on to the following install guides. Please note that the law and technology can change quickly, and portions of SSD can become out of date. Check EFF’s Security Education blog posts for the latest news.

How to: Enable Lockdown Mode on iPhone

How to: Detect Bluetooth Trackers

如何使用 WhatsApp

如何在安卓和 iPhone 手机上使用 Tor

如何使用 Signal

How to: Encrypt Your iPhone

如何加密 Windows、Mac 或 Linux 电脑

如何在 Windows 电脑上使用 Tor

How to: Delete your Data Securely on Linux

How to: Delete Your Data Securely on Windows

How to: Delete Your Data Securely on macOS

如何在 macOS 电脑上使用 Tor

How to: Enable Two-factor Authentication

How to: Avoid Phishing Attacks

如何在 Linux 电脑上使用 Tor

How to: Understand and Circumvent Network Censorship