Democratic leaders of key House committees are reigniting calling for National Security Advisor Mike Waltz to step down.

President Trump suggested Wednesday that the encrypted Signal messaging platform his top national security brass used to plan ...

Many are raising questions about how highly sensitive information is being handled by national security officials.This ...

Even if Signal had perfect, uncrackable security, high-level White House staff using it to discuss classified information ...

The encrypted messaging app Signal is receiving ... In a lengthy post to X, Signal addressed this issue by pushing back on the Pentagon’s use of the term “vulnerability.” ...

Learn more about Signal, including whether the news about its use in a military intelligence breach impacts its effectiveness ...

Just as it did with Sweden, Signal is refusing to stay in a territory that undermines its encryption strategy, arguing that a ...

The move comes soon after far-right activist Laura Loomer urged Trump to purge staffers she deemed insufficiently committed ...

Okta CEO Todd McKinnon addresses the Signal group chat incident and said it was likely a usability issue rather than cyber ...

White House staffers have come under fire after allegedly using the app to discuss sensitive foreign policy plans.

It’s an app that can be used for direct messaging and group chats as well as phone and video calls. Signal uses end-to-end ...

Government ministers routinely use encrypted messaging apps including WhatsApp and Signal amid concerns they might be used to ...