In Q3 2025, Qilin ransomware claimed 271 posts on their public leak site.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareQilinLeak sites
In Q3 2025, the majority of MDR incidents were contained within the early and middle stages of attack, with early-stage attacks at 44% and middle-stage attacks at 44%.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
MDRIncident containment
In Q3 2025, Akira, Qilin, and INC Ransomware accounted for 65% of all ransomware cases investigated by Beazley Security.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareAkiraQilinINC Ransomware
In Q3 2025, leak site posts increased by 11% from Q2 to Q3.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareLeak sites
In Q3 2025, the Akira ransomware group claimed 167 posts on their public leak site.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareAkiraLeak sites
In Q3 2025, the 'Others' category of ransomware actors decreased from 40% to 16% of cases compared to the previous quarter.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
Ransomware
In Q3 2025, over 200,000 passwords, hundreds of credit card records, and more than 4 million browser cookies were harvested by the PXA Stealer campaign.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
Data exposurePXA Stealer PasswordsCredit card recordsBrowser cookies
In Q3 2025, Qilin ransomware accounted for approximately 18% of Beazley Security incident response cases.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareQilin
In Q3 2025, INC Ransomware claimed 119 posts on their public leak site.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareINC RansomwareLeak sites
In Q3 2025, Beazley Security published 11 critical zero-day advisories, marking a 38% increase from Q2.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
Zero-day advisories
In Q3 2025, the number of newly published vulnerabilities reached over 11,700, with nearly 1,800 classified as high-risk.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
Vulnerabilities
In Q3 2025, 29 vulnerabilities were confirmed to be actively exploited in the wild, representing a 26% decrease from the previous quarter.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
VulnerabilitiesIn the wild
In Q3 2025, the Akira ransomware group accounted for approximately 39% of Beazley Security incident response cases.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025
RansomwareAkira
In Q3 2025, INC Ransomware accounted for approximately 8% of Beazley Security incident response cases.
Beazley SecurityQuarterly Threat Report: Third Quarter, 2025·Nov 17, 2025