Snowden: Haven (Android)
https://havenapp.org
https://guardianproject.github.io/haven/
https://freedom.press/news/introducing-haven-open-source-security-system-your-pocket/
Пример использования (необходимости) - первый абзац:
https://theintercept.com/2017/12/22/snowdens-new-app-uses-your-smartphone-to-physically-guard-your-laptop/
https://guardianproject.github.io/haven/
Click to viewhttps://freedom.press/news/introducing-haven-open-source-security-system-your-pocket/
Пример использования (необходимости) - первый абзац:
https://theintercept.com/2017/12/22/snowdens-new-app-uses-your-smartphone-to-physically-guard-your-laptop/