A messaging app called Signal based in San Francisco was used by the Trump administration to discuss war plans.

In some cases, officers set messages in the Signal app to delete after 24 hours. People in the legal field say that raises ...

I want to switch to Signal because it's simple and secure, but all my contacts are either on Viber or WhatsApp.

In a statement, the department said the app serves as a supplemental communication tool, similar to phone calls, text ...

The FBI and CISA have issued a joint warning to users of encrypted messaging apps as thousands of accounts are compromised.

NCSC advises on countermeasures for high-risk individuals over phishing attacks on encrypted messaging services, such as ...

Apps that delete messages don't comply with Ohio public records law and government employees should avoid using them, Attorney General Dave Yost said.

District Attorney Jackie Sartoris said Signal can help officers coordinate in real time, but raises questions about public ...

"The campaign targets individuals of high intelligence value, including current and former U.S. government officials, ...

Signal has warned users to look out for signs of scams, after Dutch intelligence said high-profile users of the secure messaging app were being targeted by hackers. Dutch cybersecurity agencies said ...

The FBI warned that Russian intelligence-linked hackers are targeting Signal users, including U.S. officials and journalists, ...

Meta Messenger, LINE, WeChat, and Viber collect extensive personal data, often beyond app functionality purposes.