Ransomware Rise in Q3 2025: Compromised Credentials and Zero-Days Dominate

The third quarter of 2025 saw a significant increase in ransomware attacks, with an 11% increase in data breach publications compared to the previous quarter. According to a report from Beazley Security, only three ransomware groups were responsible for the majority of cases (65%), with the primary initial entry route being compromised VPN credentials. Dominant Ransomware Groups The three most prolific ransomware groups in the third quarter were Akira, Qilin, and INC Ransomware. These groups have demonstrated great operational capacity, contributing to the vast majority of reported incidents. ...

November 19, 2025 · Comfidentia
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