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Mike Waltz Has Somehow Gotten Even Worse at Using Signal

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Former national security advisor Mike Waltz was apparently using an Israeli -made app called TeleMessage Signal during a White House cabinet meeting on Wednesday .

Waltz , who was ousted by President Trump on Thursday , was using the end-to-end encrypted messaging app Signal .

Signal is designed so only the senders and receivers of messages in a group chat can read them.

The app is built to collect as little information about its users and their associates.

Signal 's disappearing messages feature is in conflict with federal data retention laws.

It is not clear when Waltz started using TeleMessage Signal and whether he was already using it during SignalGate or started using it afterward.

The document specifically advises that, “When selecting an end-to-end encrypted messaging app, evaluate the extent to which the app and associated services collect and store metadata”.