安全性に定評があるメッセージアプリ・Signalの使用について、アメリカ国家安全保障局(NSA)が職員に対して警告を発してい ...

Signal has been the most high-profile app in the news lately because of the controversy surrounding its use by Defense Secretary Pete Hegseth. Signal is a secure messaging platform known for ...

The security of U.S. government officials’ communications has come under the spotlight again after a modified Signal app used to archive data from third-party messaging apps was hacked in less than 30 ...

2025年3月、トランプ政権で国家安全保障問題担当大統領補佐官を務めていたマイケル・ウォルツ氏が、誤ってメッセンジャーアプリ・Signalのグループチャットに民間人を追加してしまい、極秘の軍事作戦を外部に流出させるという事態が発生しました。

Last Wednesday, former national security advisor Mike Waltz was photographed at a cabinet meeting using TeleMessage, a modified version of Signal, the encrypted messaging app that has been the source ...

The system adopted by President Donald Trump’s administration to archive messages on the Signal app in the wake of the debacle over the Houthi strikes chat group has serious security vulnerabilities, ...

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 ...

After messages from Mike Waltz's leaked chat on the Signal app went massively public months ago, he was ousted as President Donald Trump's top national security adviser. Now, he's up for a new ...

A proposed EU law that would allow authorities to bypass encryption to scan private chat messages for criminal content is being met with major concerns by the heads of some of the world's biggest ...

Defense Secretary Pete Hegseth had the Signal app installed on an office computer because he couldn’t get cell phone service in the Pentagon, according to a report. Hegseth directed the installation ...

Defense Secretary Pete Hegseth used the Signal app on a personal computer in his office that was connected to the internet on an unsecured commercial line, what's known as a "dirty line," two sources ...

The Signal Desktop app now has a new security feature to prevent Microsoft Recall from taking screenshots of chats. This feature utilizes a flag similar to Android's "FLAG_SECURE" to protect user ...