Wednesday 4 November
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Ransomware leak-site victim claims rose 30% in Q3, but many may be false

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Ransomware gangs posted 30% more victim names on their leak sites in the third quarter of 2026, but this does not mean attacks rose by the same amount. Researchers warn that many of the new claims may be false, recycled or unproven, so each one should be checked before anyone reacts.

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What to do

  1. Review internal logs, access records and any posted samples when your organisation is named on a leak site.
  2. Keep unverified claims marked as unverified and look for other sources of exposure before deciding.
  3. Audit code repositories for exposed keys and passwords, and rotate any that are found.
  4. Enforce Microsoft's vulnerable driver block list and alert on unexpected Group Policy changes.

Written by AI from the sources, checked against them

Full story timeline · 1 update

  1. Wed 4 NovemberRansomware Gangs Claim 30% More Victims, but Researchers Warn Some Breaches May Be FakeCyber Security News

Who reported · 1 outlet

Cyber Security News

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