Credit: Ketut Subiyanto from Pexels

Signal is an encrypted messaging app which has become a strong option for journalists handling sensitive stories and talking to vulnerable sources. Not even Signal staff have the ability to read your messages, and it stores almost no metadata on users.

"Because newsrooms can attract a lot of attention, journalists who already use Signal should consider hardening it against physical access, as well as unwanted remote access and network-based eavesdropping," writes the Freedom of the Press Foundation in an article.

They share advice on how to lock down your Signal communications, providing an extra layer of security should your phone get lost, stolen or hacked.

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