NEW YORK — Since becoming New York City’s youngest mayor in a generation, Zohran Mamdani has kept leaning into his tech-savvy persona, regularly releasing the type of made-for-going-viral social media ...

Amid the search for Nancy Guthrie, the mother of ‘Today’ show host Savannah Guthrie, NewsNation’s Brian Entin has reported that investigators are using a “signal sniffer” in an attempt to detect Nancy ...

Signal chats have reportedly been used in Minnesota to coordinate rapid responses to ICE activity and alert or deploy anti-ICE agitators, according to multiple reports. Independent journalist Cam ...

Welcome back to In the Loop, TIME’s new twice-weekly newsletter about AI. If you're reading this in your browser, why not subscribe to have the next one delivered straight to your inbox? Moxie ...

Moxie Marlinspike—the pseudonym of an engineer who set a new standard for private messaging with the creation of the Signal Messenger—is now aiming to revolutionize AI chatbots in a similar way. His ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

A Pentagon watchdog report has found that Defense Secretary Pete Hegseth put U.S. service members at risk when he used the Signal messaging app to discuss a military strike in Yemen earlier this year.

For nearly nine months, Trump-administration officials have defended top national-security leaders who shared information in a Signal chat about U.S. strikes in Yemen, first reported by The Atlantic’s ...

Privacy-focused messaging app Signal announced on Monday that it’s introducing a feature that allows users to back up their text conversations for free, along with ...

Abstract: Statistical signal processing involves extracting information from random observations, a task that relies heavily on metrics that quantify the information present in the data. These metrics ...

Signal has updated its Windows app to protect users' privacy by blocking Microsoft's AI-powered Recall feature from taking screenshots of their conversations. This new privacy feature, dubbed "screen ...

TeleMessage, an Israeli company that sells an unofficial Signal message archiving tool used by some U.S. government officials, has suspended all services after reportedly being hacked. Smarsh, the ...