New stealthy Quasar Linux malware targets software developers

Published on May 5, 2026

A previously undocumented Linux implant named Quasar Linux (QLNX) is targeting developers' systems with a mix of rootkit, backdoor, and credential-stealing capabilities. [...]

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Instructure hacker claims data theft from 8,800 schools, universities

May 5, 2026
The hacker behind a breach at education technology giant Instructure claims to have stolen 280 million data records for students and staff from 8,809 colleges, school districts, and online education platforms. [...]

Palo Alto PAN-OS Flaw Under Active Exploitation Enables Remote Code Execution

May 6, 2026
Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild.The vulnerability, tracked as CVE-2026-0300, has been described as a case of unauthenticated remote code execution. It carries a CVSS score of 9.3 if the User-ID Authentication Portal is configured to enable access from the internet or any