Plus: The Department of Homeland Security begins surveilling immigrants' social media, President Donald Trump targets former CISA director who refuted his claims of 2020 election fraud, and more.

WhatsApp uses Signal's encryption protocol, so your chats and calls are just as end-to-end encrypted as those on Signal. But ...

In what has been dubbed "Signalgate," National Security Adviser Mike Waltz unintentionally included The Atlantic’s ...

Signal has a good reputation for security in part because it is ... then that becomes an issue." The Signal app offers end-to-end encryption, meaning messages sent on the platform cannot be ...

According to the Guardian, this mistake started when Goldberg ― the journalist who ended up disclosing the Signal chat ...