Signal tries to hide sender metadata: https://signal.org/blog/sealed-sender/

Google to enforce two years of security updates: https://www.theverge.com/2018/10/24/18019356/android-security-update-mandate-google-contract

Attacking Google Authenticator: https://www.unix-ninja.com/p/attacking_google_authenticator

(http://feeds.feedburner.com/~ff/inThirty?d=yIl2AUoC8zA) (http://feeds.feedburner.com/~ff/inThirty?d=qj6IDK7rITs)

(http://feeds.feedburner.com/~r/inThirty/~4/-dIoOm-BujU)