Latest cybersecurity reporting from selected sources.

Cybersecurity researchers have flagged a novel Java-based remote access trojan (RAT) called QuimaRAT that's capable of targeting Windows, Linux, and macOS environments

Cybersecurity researchers have flagged malicious Packagist PHP packages masquerading as Laravel utilities that act as a conduit for a cross-platform remote access trojan (RAT) that's functional on Windows, macOS, and Linux systems

Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems

Cybersecurity researchers are warning of continued risks posed by a distributed denial-of-service (DDoS) malware known as XorDDoS, with 71.3 percent of the attacks between November 2023 and February 2025 targeting the United States

Cybersecurity researchers have discovered a new Linux variant of a remote access trojan (RAT) called BIFROSE (aka Bifrost) that uses a deceptive domain mimicking VMware

RAT Is Tailored to Exploit Vulnerabilities in Linux Kernel VersionsHackers targeted telecommunications companies in Thailand with a Linux remote access Trojan designed to attack different versions of the open-source kernel, researchers say. Dubbed "Krasue," the malware poses a "severe risk to critical systems and sensitive data," says Group-IB researchers.

Security researchers discovered a remote access trojan they named Krasue that is targeting Linux systems of telecommunications companies and managed to remain undetected since 2021. [...]

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. Now new findings reveal that AVrecon is the malware engine behind a 12-year-old service called SocksEscort, which rents hacked residential and small business devices to cybercriminals looking to hide their true location online.

Researchers who discovered the backdoor Linux malware say it may have been around for more than three years — and it targets 30+ plug-in bugs.

The Trojan exploits known vulnerabilities in outdated WordPress plugins and themes

Smells like Russian miscreants A type of cryptomining malware targeting Linux-based systems has added capabilities by incorporating an open source remote access trojan called Chaos RAT with several advanced functions that bad guys can use to control remote operating systems.…

A Linux botnet malware known as XorDdos has witnessed a 254% surge in activity over the last six months, according to latest research from Microsoft