MEDIUMVulnerability
Global

US posts $10 million reward over Russian cyber campaign targeting Signal, WhatsApp

·Source: The Record

Updated:

Executive Summary

Russia-linked hacking groups tracked as UNC5792 and UNC4221 have socially engineered their way into the messaging accounts of government officials.

Analysis

Russia-linked hacking groups tracked as UNC5792 and UNC4221 have socially engineered their way into the messaging accounts of government officials.
Source Attribution

Originally published by The Record on Jun 29, 2026.

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