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Surveillance
Self-Defense

Online security veteran?

Advanced guides to enhance your surveillance self-defense skill set.

Congratulations! You've already taken steps to improve the safety of your online communications. Now you want to take it to the next level, and with this playlist, you can. You'll learn how to understand threats, verify the identity of the person you're communicating with, and add some new tools to your repertoire.

  1. 制定安全计划
  2. 加密的核心概念
  3. 密钥验证
  4. 深入解析端到端加密:公钥加密系统是如何运作的?
  5. 如何选择工具
  6. 什么是指纹识别?