Ransomware incidents in Japan in the first half of 2026: Investigation of The Gentlemen’s infrastructure and evidence of Qilin's AI use
Ransomware incidents in Japan rose 4.7% year over year. The Gentlemen was the most active group, with leak-site listings more than doubling from January to July. Qilin ranked second and appeared to use AI, while SMEs with capital under JPY 1 billion represented 80% of victims.
Chaos ransomware's msaRAT: Living off the browser to build a covert C2 channel
The Chaos ransomware group uses new malware "msaRAT" that hijacks browsers. The malware doesn't communicate directly with C2 but connects through the browser. It enables arbitrary command execution while hiding the attacker's IP from victims via WebRTC over TURN.
Qilin EDR killer infection chain
This blog provides an in-depth analysis of the malicious “msimg32.dll” used in Qilin ransomware attacks, which is a multi-stage infection chain targeting EDR systems.
An overview of ransomware threats in Japan in 2025 and early detection insights from Qilin cases
There were 134 ransomware incidents reported in Japan in 2025, representing a 17.5% year-over-year increase from 2024.
Microsoft Patch Tuesday for March 2026 — Snort rules and prominent vulnerabilities
Microsoft has released its monthly security update for March 2026 which includes 79 vulnerabilities, including three that Microsoft marked as “critical.”
Uncovering Qilin attack methods exposed through multiple cases
Cisco Talos investigated the Qilin ransomware group, uncovering its frequent attacks on the manufacturing sector, use of legitimate tools for credential theft and data exfiltration, and sophisticated methods for lateral movement, evasion, and persistence.
How RainyDay, Turian and a new PlugX variant abuse DLL search order hijacking
Talos discovered that a new PlugX variant’s features overlap with both the RainyDay and Turian backdoors
Ransomware incidents in Japan during the first half of 2025
Ransomware attackers continue to primarily target small and medium-sized manufacturing businesses in Japan.