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Signal, the most secure widely available messaging app, has become a go-to resource for journalists, leakers and other people concerned about privacy. But it’s not infallible.
NSA warned about using Signal a month before leak of Houthi strike chat The National Security Agency sent out an operational security special bulletin to its employees in February 2025 warning ...
The Pentagon's internal watchdog criticized a former official's use of the Signal app in 2021, calling it a breach of the department's "records retention policies" and an unauthorized means of ...
Defenese Secretary Pete Hegseth, national security adviser Mike Waltz and more of the contacts who appeared in the Signal group chat about a U.S. attack on Houthis in Yemen.
If this Signal chat was real, I reasoned, Houthi targets would soon be bombed. At about 1:55, I checked X and searched Yemen. Explosions were then being heard across Sanaa, the capital city." ...
Former national security adviser Mike Waltz defended his use of the messaging app Signal during a confirmation hearing Tuesday during which lawmakers largely avoided the topic.
A Signal spokesman said the Pentagon memo is not about the messaging app's level of security, but rather that users of the service should be aware of what are known as "phishing attacks." ...
Signal vs. WhatsApp: Which app is safer? There's more to your overall security than just the encryption, though, and it pays to compare some other aspects of WhatsApp and Signal.
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