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⚡ Weekly Recap: BadCam Attack, WinRAR 0-Day, EDR Killer, NVIDIA Flaws, Ransomware Attacks & More
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Ransomware incidents in Japan in the first half of 2026: Investigation of The Gentlemen’s infrastructure and evidence of Qilin's AI use
Cisco Talos reports 90 ransomware incidents hit Japanese organizations in H1 2026, led by The Gentlemen, with Qilin using AI for efficiency.
Cisco Talos observed 90 ransomware incidents against Japanese organizations from January to July 2026, up about 4.7% year over year, with manufacturing accounting for 34% of victims. The Gentlemen was the most active group with 14 incidents; its leak-site listings grew from 48 in January to 105 in July. Qilin and SafePay followed with seven incidents each, and Talos notes Qilin is leveraging AI to improve operational efficiency.
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DeadLock Ransomware Uses Polygon Smart Contracts to Make Extortion Infra Harder to Disrupt
Microsoft reports DeadLock ransomware using Polygon smart contracts and Session messaging for extortion infrastructure, claiming 96 victims across Europe and the U.S.
Microsoft Threat Intelligence reports the DeadLock ransomware operation uses the Session messaging network and Polygon blockchain smart contracts to host victim chat, proxy server addresses, and its data leak blog, making takedowns harder. First detected in July 2025, the group has claimed 96 victims, mostly in Italy, Spain, Poland, Türkiye, and the U.S., with deployments by affiliates of Lynx and INC ransomware. The encryptor uses Curve25519 with XChaCha20, drops an interactive HTML recovery chat application, geofences CIS-linked countries, and clears logs and shadow copies to evade forensics.
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⚡ Weekly Recap: Chrome 0-Day, AI Hacking Tools, DDR5 Bit
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Threat Assessment: Ryuk Ransomware
Unit 42 assesses Ryuk ransomware amid a CISA/FBI/HHS alert on threats to U.S. healthcare, including the UHS attack that disrupted hospital operations.
A joint CISA, FBI, and HHS alert on October 28, 2020 warned of an imminent threat to U.S. healthcare from operators deploying Trickbot and Ryuk ransomware. Universal Health Services reported a Ryuk attack that disrupted all U.S. UHS sites for weeks, with similar incidents at hospitals in Oregon and New York. Ryuk typically arrives after Trickbot or BazaLoader infections delivered via malicious email, and operators enumerate networks with PowerShell and WMI before encryption. The Trickbot Anchor_DNS module performs DNS tunneling for C2, using connectivity checks to benign domains like ipinfo.io and checkip.amazonaws.com.
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July 2026 CVE Landscape
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June 2026 CVE Landscape
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China-Linked Hackers Exploit SAP and SQL Server Flaws in Attacks Across Asia and Brazil
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⚡ THN Weekly Recap: Top Cybersecurity Threats, Tools and Tips
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