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Researchers Show How a Signed Windows Defender Driver Could Be Turned Against Security Tools

21 August 2026  |  dark6  |  Vulnerability

Check Point researchers reverse-engineered Microsoft Defender's BTR.sys driver and found that its undocumented transaction protocol could be reproduced to disable antivirus and EDR products from the Windows kernel...

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Hijacked Rust Crates With 244 Million Downloads Turned Into Malware Delivery Pipeline

21 August 2026  |  dark6  |  Malware

A typosquatted Rust package quietly hijacked two popular crates, arrayref and append-only-vec, to run an infostealer during ordinary builds. The attack hid inside an automatically-executed build script, leaving...

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Feds Sound Alarm on Active Hacking Campaign Targeting Siemens S7 PLCs Nationwide

20 August 2026  |  dark6  |  Vulnerability

NSA, CISA, the FBI, DOE and EPA have jointly warned that hackers are actively scanning for and probing Siemens S7-series PLCs across U.S. critical infrastructure. The campaign favors...

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CISA Gives Agencies Until August 21 to Patch Actively Exploited Windows VPN Flaw

20 August 2026  |  dark6  |  Vulnerability

CISA has added a double-free memory corruption bug in Microsoft's Internet Key Exchange service extensions to its Known Exploited Vulnerabilities catalog after confirming active attacks, giving federal agencies...

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How T-Mobile’s Security Team Cut a Cable to Physically Kick Salt Typhoon Off Its Network

20 August 2026  |  dark6  |  Cybercrime

Newly reported details describe how T-Mobile's security team tracked Chinese state-linked hackers from Salt Typhoon to a compromised router at a third-party data center in 2024 — and...

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Citrix Patches Critical NetScaler Flaw That Lets Attackers Skip the Login Screen Entirely

20 August 2026  |  dark6  |  Vulnerability

Citrix has patched two new NetScaler ADC and Gateway vulnerabilities, including a 9.3-severity authentication bypass that can let remote attackers slip past login controls on SSL VPN, ICA...

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Breach at France’s Tax Authority Exposes Financial Records of Nearly 680,000 People

19 August 2026  |  dark6  |  Databreach

France's Directorate General of Public Finances has confirmed that attackers used compromised employee and third-party credentials to access tax records belonging to roughly 678,000 individuals and businesses. No...

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CISA Sounds Alarm on Medusa Ransomware After 500+ Critical Infrastructure Hits

19 August 2026  |  dark6  |  Ransomware

CISA, the FBI, and HHS have jointly updated their advisory on the Medusa ransomware-as-a-service operation, which has now hit more than 500 critical infrastructure organizations spanning healthcare, education,...

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