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US offers $10 million for info on group behind Signal and WhatsApp hacking spree
The U.S. Department of State is offering up to $10 million for information identifying or locating members of the UNC5792 and UNC4221 hacker groups linked to Russia's intelligence and military service
The U.S. Department of State is offering up to $10 million for information identifying or locating members of the UNC5792 and UNC4221 hacker groups linked to Russia's intelligence and military services. UNC5792 has conducted widespread phishing campaigns targeting Signal and WhatsApp accounts of U.S. government officials, military leadership, and allied personnel, with recent attacks focusing on stealing Signal Backup Recovery Keys. The hackers use social engineering techniques to trick victims into sharing verification codes, account PINs and backup recovery keys, enabling access to message histories and account takeover.
Source: Ars Technica | 2026-06-29