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Hackers Target Signal Users to Steal Backups in New Attack Wave

ID: e314e85f-5394-5ba1-816c-82426eb5aa6c

STIX ID: report--e314e85f-5394-5ba1-816c-82426eb5aa6c

Feed Name: GBHackers

Threat Score
70/100

Date Published: 2026-06-01

Date Updated: 2026-06-01

Author: Mayura Kathir

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Hackers are conducting a coordinated phishing campaign via Signal in-app messages impersonating “Signal Support” to pressure users into copying and pasting their Secure Backups recovery keys into chats; possession of those keys enables attackers to decrypt years of stored messages and media. Reported victims include journalists, dissidents, and activists; Signal reiterates it will never request recovery keys and advises users to block/report such accounts and protect their accounts with PINs, registration lock, and device-change alerts.

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