Google researchers say multiple Russian state threat groups have conducted remote phishing operations to target and compromise Signal accounts.

The guide comes as the government continues to deal with the fallout of the Salt Typhoon hack.

Signal uncovered the apparent security gaps in a company that makes a living breaking into smarphones.

It's not clear if it's permanent yet.

The Android version of the chat app will soon have the capability to bypass the Iran's block on traffic, Signal says.

Tehran has a long history of controlling access to chat apps and social media. Signal doesn't want to take it.

Millions of people have downloaded the app in recent weeks.

The bulletin shows how law enforcement officials are looking to track any efforts by far-right extremists to cloak their communications following the insurrection.

Technologists working on security tools outside the U.S. warn that a major change to their funding could mean catastrophe.

Use of Signal has surged since George Floyd's killing.