Qilin Emerged as The Most Active Group, Exploiting Unpatched Fortinet Vulnerabilities

Tushar Subhra Dutta reports: The ransomware landscape witnessed a dramatic shift in June 2025 as the Qilin ransomware group surged to become the most active threat actor, recording 81 victims and representing a staggering 47.3% increase in activity compared to previous months. This Ransomware-as-a-Service operation, which has accumulated over 310 victims since its emergence, has…![](https://analytics.hitsaru.com/piwik.php?idsite=11&rec=1&url=https%3A%2F%2Fdatabreaches.net%2F2025%2F07%2F12%2Fqilin-emerged-as-the-most-active-group-exploiting-unpatched-fortinet-vulnerabilities%2F%3Fpk_campaign%3Dfeed%26pk_kwd%3Dqilin-emerged-as-the-most-active-group-exploiting-unpatched-fortinet-vulnerabilities&action_name=Qilin+Emerged+as+The+Most+Active+Group%2C+Exploiting+Unpatched+Fortinet+Vulnerabilities&urlref=https%3A%2F%2Fdatabreaches.net%2Ffeed%2F)

Related Tags:
NAICS: 541 – Professional

Scientific

Technical Services

NAICS: 518 – Computing Infrastructure Providers

Data Processing

Web Hosting

Related Services

NAICS: 51 – Information

Blog: DataBreaches

Associated Indicators: