Trust Onion app uses rotating codewords to verify callers and messages

This is a product showcase rather than a threat report. Trust Onion, a free app for macOS, iOS and Android, uses three rotating codewords within trusted groups, plus signed selfies, message checks and callback requests to verify identity. The article cites Cisco Talos◼ documentation of attackers impersonating others, but the text is truncated and gives no specifics. No CVEs, affected versions or defensive actions are mentioned.

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