Qilin Ransomware Group Becomes Most Active in June 2025

In June 2025, the Qilin ransomware group became the most active threat group, recording 81 victims, an increase of 47.3% compared to previous months. This group, which operates under the Ransomware-as-a-Service model, has accumulated more than 310 victims since its emergence. Qilin exploits unpatched vulnerabilities in Fortinet products to carry out its attacks.