Signal president Meredith Whittaker reiterated the messaging service's commitment to secure encryption and privacy after top ...

Senior administration officials have struggled to explain why the publicly available app was used to discuss such a delicate ...

One of the best ways to avoid the problem of ‘shadow IT’ is building systems that are both highly secure and highly usable.

The revelation that President Donald Trump’s most senior national security officials posted the specifics of a military ...

An encrypted messaging app called Signal is drawing attention and questions after top Trump officials — including Defense ...

President Trump said his national security adviser, Mike Waltz, "learned a lesson" after he opened up a secret chat of Trump ...

WASHINGTON >> China remains the top military and cyber threat to the U.S., according to a report by U.S. intelligence ...

US president defends key security official after journalist says he was added to group chat about air strikes.

Signal’s encryption protocol is open source, meaning that it’s freely available for anyone to inspect, use or modify ...

A significant security lapse has emerged from within Trump's administration, as top national security members inadvertently ...

On Monday it was revealed that top Trump administration officials were using a commercial messaging app to plan military ...