kraken
Intelligence Profile
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."
Threat Analysis
kraken is a ransomware operation that deploys encryption-based extortion against organizations globally. This group maintains a data leak site (DLS) to pressure victims into paying ransom demands.
Financially motivated threat actors like kraken prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
Ransomware Victims (25)
CTIWATCH tracks 25 organizations claimed as victims by kraken on its data leak site, with attack dates, sectors and countries.
View full victims list →