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AIVD and MIVD Signal and WhatsApp account-hijacking guidance

Advisory/Mitigation
First reported
Last updated
Happening score
H score 31
1 unique sources, 1 articles

Summary

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On March 9, AIVD and MIVD issued guidance to reduce Signal and WhatsApp account hijacking risk in a global campaign targeting high-value users. The advisory warns that government employees were already affected and says military personnel, civil servants, journalists, and other persons of interest may also be targeted. It recommends checking for duplicate-looking accounts, verifying suspicious activity out of band, and removing impostor accounts through group admins.

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Timeline

  1. 10.03.2026 12:45 1 articles · 4mo ago

    AIVD and MIVD warn of Russian Signal and WhatsApp targeting

    Initial Disclosure

    A global campaign by Russian nation state operatives targeted individual Signal and WhatsApp accounts used by Dutch government employees, with military personnel, civil servants, journalists, and other persons of interest also named as possible targets; some government employees had already been victimized.

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  2. 10.03.2026 12:45 2 articles · 4mo ago

    AIVD and MIVD issue anti-hijacking guidance for Signal and WhatsApp users

    Mitigation Patch Update

    AIVD and MIVD produced guidance for high-value Signal and WhatsApp users, advising them to check for duplicate-looking accounts in group member lists, verify suspicious activity out of band, contact group admins to remove impostor accounts, and treat requests for verification codes or Signal PINs as scams.

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