Signal messaging app uses end-to-end encryption, which security experts say makes it appropriate for discussing classified military operations.

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False. While Signal offers strong end-to-end encryption, experts emphasize it lacks crucial features required for classified communications: access controls to prevent accidentally adding unauthorized people, compliance with Federal Records Act preservation requirements, and connection to isolated networks. Classified communications must use SIPRNet (for Secret) or JWICS (for Top Secret), which are not connected to the internet.

Signal messaging app uses end-to-end encryption, which security experts say makes it appropriate for discussing classified military operations.

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