EDR killers are a fundamental part of modern ransomware intrusions; affiliates prefer a short, reliable window to run ...

ESET researchers dive deeper into the EDR killer ecosystem, disclosing how attackers abuse vulnerable drivers.

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Threat actors exploited a recently patched remote code execution vulnerability (CVE-2025-20352) in Cisco networking devices to deploy a rootkit and target unprotected Linux systems. The security issue ...

A campaign that exploited a Cisco Simple Network Management Protocol vulnerability to install Linux rootkits on exposed network devices has been observed. The exploit, tracked as CVE-2025-20352 and ...

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A hacker group connected to data theft, extortion, and ransomware is targeting SonicWall SMA 100 series appliances with a custom rootkit that opens reverse shells and steals passwords. A group of ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. As if Windows users need any more bad news on the security ...

Hackers are relentless and it's unsurprising. One successful exploit can give them access to a fortune. Thankfully, security experts are mostly on our side. Just three months ago, Microsoft security ...

“Yellowstone” is over. At least for now. The final episode of what was being referred to as Season 5B, “Life Is a Promise” closed the chapter on the mainline series and was written and directed by the ...

A new loadable kernel module (LKM) rootkit has been spotted in the wild compromising Linux systems with advanced stealth and privilege escalation features. PUMAKIT, as called by the Elastic Security ...

A new Linux rootkit malware called Pumakit has been discovered that uses stealth and advanced privilege escalation techniques to hide its presence on systems. The malware is a multi-component set that ...