kraken
RansomwareAbout the group
Kraken is a Russian-speaking ransomware group that emerged in February 2025, believed to have links to the HelloKitty operation, employing a RaaS model notable for a benchmarking step that measures victim machine speed to optimize encryption, and in September 2025 launched an underground criminal forum called "The Last Haven Board."
Exploited vulnerabilities
No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.
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