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A previously undocumented Linux implant codenamed Quasar Linux RAT (QLNX) is targeting developers’ systems to establish a silent foothold as well as facilitate a broad range of post-compromise functionality, such as credential harvesting, keylogging, file manipulation, clipboard monitoring, and network tunneling. “QLNX targets developers and DevOps credentials across the software supply chain,”

Attackers move faster than overwhelmed SOC teams can realistically investigate alerts. Prophet Security breaks down how AI can help analysts investigate alerts faster and focus on real threats. […]

The dark secret of enterprise security operations is that defenders have quietly institutionalized the practice of not looking. This is not just anecdotal, but rather backed by a recent report investigating more than 25 million security alerts, including informational and low-severity, across live enterprise environments.  The dataset behind these findings includes 10 million monitored

The attack on the Trellix source code repository disclosed last week has been claimed by the RansomHouse threat group, which leaked a small set of images as proof of the intrusion. […]

Cybersecurity researchers have disclosed details of a new Linux backdoor named PamDOORa that’s being advertised on the Rehub Russian cybercrime forum for $1,600 by a threat actor called “darkworm.” The backdoor is designed as a Pluggable Authentication Module (PAM)-based post-exploitation toolkit that enables persistent SSH access by means of a magic password and specific TCP

CISA has given U.S. federal agencies four days to secure their networks against a high-severity vulnerability in Ivanti Endpoint Manager Mobile (EPMM) exploited in zero-day attacks. […]

Details have emerged about a new, unpatched local privilege escalation (LPE) vulnerability impacting the Linux kernel. Dubbed Dirty Frag, it has been described as a successor to Copy Fail (CVE-2026-31431, CVSS score: 7.8), a recently disclosed LPE flaw impacting the Linux kernel that has since come under active exploitation in the wild. The vulnerability was

Hackers who gained access to the databases of Spanish fast-fashion retailer Zara stole data belonging to more than 197,000 customers, according to data breach notification service Have I Been Pwned. […]

Ivanti is warning that a new security flaw impacting Endpoint Manager Mobile (EPMM) has been explored in limited attacks in the wild. The high-severity vulnerability, CVE-2026-6973 (CVSS score: 7.2), is a case of improper input validation affecting EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1. It allows “a remotely authenticated user with administrative access to achieve

A 34-year-old Virginia man was found guilty of conspiring to destroy dozens of government databases after getting fired from his job as a federal contractor. […]