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 end-to-end encryption, often used for private communication.

The defense secretary has insisted no classified information was shared.

Pentagon inspector finds War Secretary Pete Hegseth violated policy by sharing strike details on Signal app, creating operational security risks.

A copy of Acting Inspector General Steven Stebbins’s report about “Signalgate” was sent to Defense Secretary Pete Hegseth on Tuesday. It was also sent to Congress and a redacted

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Some strategies on how to best use Signal to keep your messaging secure. Some strategies on how to best use Signal to keep your messaging secure. is a senior science reporter covering energy and the environment with more than a decade of experience.

Defense Secretary Pete Hegseth is facing scrutiny after a new watchdog report found his use of the Signal app earlier this year could have harmed troops. The findings come as military officials briefed lawmakers about the U.