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

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

It's the latest example of mobile malware aiming to sneak onto user devices.

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

Google's Samuel Gross poked holes in some conventional wisdom around iOS.

The Android malware pushed fake prizes to generate click fraud. The program’s developers borrowed open-source code from the real Telegram app.

Even end-to-end encryption can’t protect WhatsApp users’ messages if someone has physical control of their device — a problem this update should help solve.

The zero day is exploitable through the way the app's Windows client manages a Unicode character that reverses the direction of text. A JavaScript file disguised as…

"It's a clear step forward in bringing the benefits of secure, robust cryptography to billions of people around the world," said one former employee.

Much of the Russian cybercrime underworld is an enigma, but one technology serves as a crucial common link across all of it: Jabber.