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Bleeping Computer
Huntress analysts discovered a previously unseen ransomware variant, Obscura, spreading from a victim company's domain controller. Learn how Obscura works—and what it means for defenders—in this week's Tradecraft Tuesday. [...]
The Register
Gotta keep 'em separated so the marketers and snoops can't come out and play Psylo, which bills itself as a new kind of private web browser, debuted last Tuesday in Apple's App Store, one day ahead of a report warning about the widespread use of browser fingerprinting for ad tracking and targeting.…
The Hacker News
A new malware campaign has been observed leveraging social engineering tactics to deliver an open-source rootkit called r77. The activity, condemned OBSCURE#BAT by Securonix, enables threat actors to establish persistence and evade detection on compromised systems. It's currently not known who is behind the campaign. The rootkit "has the ability to cloak or mask any file, registry key or task
Dark Reading
Researchers discovered an attack chain that uses several layers of obfuscated batch files and PowerShell scripts to deliver an advanced and persistent rootkit.
Dark Reading
The Linux backdoor exploits 24 known flaws to compromise IoT devices and uses legitimate public STUN servers to obscure communications.
The Hacker News
Authorities in Europe and North America have announced the dismantling of a criminal virtual private network (VPN) service used by criminal actors to obscure the origins of ransomware attacks, data theft, scanning, and denial-of-service attacks. The disruption of First VPN Service was led by France and the Netherlands, with several other nations supporting the investigation since December
Dark Reading
AI agents capable of discovering and exploiting obscure vulnerabilities are emerging alongside developers producing vast amounts of potentially flawed AI-generated code, forcing defenders to adapt accordingly.
The Register
AI vuln-hunter finds what humans taught it to find. Funny that In retrospect, calling it Mythos made it a hostage to fortune. Anthropic may have hoped that the name implied its AI code security model had mythical god-like powers, but there's an alternate reading. Another definition for Mythos is a set of beliefs of obscure origin which are incompatible with reality.… Opinion
Dark Reading
The prolific China-backed threat group is targeting AWS, Google, Azure, and Alibaba cloud environments and using typosquatting to obscure C2 communication.
The Hacker News
When talking about credential security, the focus usually lands on breach prevention. This makes sense when IBM’s 2025 Cost of a Data Breach Report puts the average cost of a breach at $4.4 million. Avoiding even one major incident is enough to justify most security investments, but that headline figure obscures the more persistent problems caused by recurring credential