@cryptonomicon
/security /infosec /cybersecurity Russia-aligned UNC4221 is reading private Signal/Telegram/WA messages — not by breaking encryption, by abusing the linked device feature.
Scan a fake QR code → attacker gets every message in real time. No alerts.
Active June 2026. Check your linked devices now. [https://hashnode.com/edit/cmr0ystn900010ajghg2v55pt]
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