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RansomwareFinancialAdvanced sophistication · Organisation

Kraken

Kraken is a ransomware group with a financial motive, tracked by Brandefense. It targets 10 sectors, including Technology and Manufacturing, in 11 countries, including the United States and the United Kingdom. It uses 18 MITRE ATT&CK techniques.

Also known as
  • Kraken Ransomware
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Techniques
18
Exploited CVEs
No CVE data
First seen
Aug 1, 2018
Last seen
Nov 13, 2025
Record updated

Who They Target.

Sectors · 10
Countries · 11

About Kraken.

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.".

Last updated Oct 1, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.