Latest cybersecurity reporting from selected sources.

Eset Links Group's Growth to Integrated Endpoint-Killing ToolsEset researchers say the rapidly growing Gentlemen ransomware operation differentiates itself by supplying affiliates with a standardized EDR-killer suite that disables security tools, quickly incorporates newly disclosed vulnerable drivers and helps scale attacks across multiple regions worldwide.

Cybersecurity researchers have disclosed details of a new ransomware family called Osiris that targeted a major food service franchisee operator in Southeast Asia in November 2025

Cybersecurity researchers have discovered a new ransomware strain dubbed HybridPetya that resembles the notorious Petya/NotPetya malware, while also incorporating the ability to bypass the Secure Boot mechanism in Unified Extensible Firmware Interface (UEFI) systems using a now-patched vulnerability disclosed earlier this year

Cybersecurity company ESET has disclosed that it discovered an artificial intelligence (AI)-powered ransomware variant codenamed PromptLock

Threat actors linked to the Black Basta ransomware may have exploited a recently disclosed privilege escalation flaw in the Microsoft Windows Error Reporting Service as a zero-day, according to new findings from Symantec

The first ever incident possibly involving the ransomware family known as Maui occurred on April 15, 2021, aimed at an unnamed Japanese housing company

Kaspersky security researchers have disclosed details of a brand-new ransomware family written in Rust, making it the third strain after BlackCat and Hive to use the programming language

Cybersecurity researchers have disclosed a new variant of the AvosLocker ransomware that disables antivirus solutions to evade detection after breaching target networks by taking advantage of unpatched security flaws.  "This is the first sample we observed from the U.S. with the capability to disable a defense solution using a legitimate Avast Anti-Rootkit Driver file (asWarPot.sys)," Trend