AMD is warning about a high-severity CPU vulnerability named SinkClose that impacts multiple generations of its EPYC, Ryzen, and Threadripper processors. The vulnerability allows attackers with Kernel-level (Ring 0) privileges to gain Ring -2 privileges and install malware that becomes nearly undetectable.
A massive Magniber ransomware campaign is underway, encrypting home users' devices worldwide and demanding thousand-dollar ransoms to receive a decryptor.
Magniber launched in 2017 as a successor to the Cerber ransomware operation when it was spotted being distributed by the Magnitude exploit kit.
Since then, the ransomware operation has seen bursts of activity over the years, with the threat actors utilizing various methods to distribute Magniber and encrypt devices. These tactics include using Windows zero-days, fake Windows and browser updates, and trojanized software cracks and key generators.
Meta has removed 63,000 Instagram accounts from Nigeria that were involved in sextortion scams, including a coordinated network of 2,500 accounts linked to 20 individuals targeting primarily adult men in the United States.
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Cisco has fixed a critical severity vulnerability that lets attackers add new users with root privileges and permanently crash Security Email Gateway (SEG) appliances using emails with malicious attachments.
Tracked as CVE-2024-20401, this arbitrary file write security flaw in the SEG content scanning and message filtering features is caused by an absolute path traversal weakness that allows replacing any file on the underlying operating system.