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The Register
PowerShell script locked thousands of workers out of their accounts An Ohio IT contractor has pleaded guilty to breaking into his former employer's systems and causing nearly $1 million worth of damage after being fired.…
Bleeping Computer
The RondoDox botnet malware is now exploiting a critical remote code execution (RCE) flaw in XWiki Platform tracked as CVE-2025-24893. [...]
Bleeping Computer
The Hacker News
Cybersecurity researchers have uncovered a malicious Chrome extension that poses as a legitimate Ethereum wallet but harbors functionality to exfiltrate users' seed phrases. The name of the extension is "Safery: Ethereum Wallet," with the threat actor describing it as a "secure wallet for managing Ethereum cryptocurrency with flexible settings." It was uploaded to the Chrome Web Store on
Bleeping Computer
Microsoft has resolved a bug causing incorrect Windows 10 end-of-support warnings on systems with active security coverage or still under active support after installing the October 2025 updates. [...]
The Hacker News
The malware known as GootLoader has resurfaced yet again after a brief spike in activity earlier this March, according to new findings from Huntress. The cybersecurity company said it observed three GootLoader infections since October 27, 2025, out of which two resulted in hands-on keyboard intrusions with domain controller compromise taking place within 17 hours of initial infection. "
The Register
Doubles parameters to over 17 billion, to detect threats and recommend actions Cisco is working on a new AI model that will more than double the number of parameters used to train its current flagship Foundation-Sec-8B.… Exclusive
The Hacker News
Ransomware is malicious software designed to block access to a computer system or encrypt data until a ransom is paid. This cyberattack is one of the most prevalent and damaging threats in the digital landscape, affecting individuals, businesses, and critical infrastructure worldwide. A ransomware attack typically begins when the malware infiltrates a system through various vectors such as
The Hacker News
Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming Interface (API) for command-and-control (C2) communications. "Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as a way to stealthily communicate and orchestrate malicious activities within the compromised