Latest cybersecurity reporting from selected sources.

C0XMO is a new Gafgyt botnet variant exploiting old router flaws, spreading across IoT devices, killing rivals, and enabling large-scale DDoS attacks. In March 2026, FortiGuard Labs discovered a new variant of the Gafgyt botnet, dubbed C0XMO, which is noticeably more capable than its predecessors. The malware spreads through CVE-2021-27137, a stack buffer overflow in […]

Even worse, it might have been a 'test run' for future attacks A Mirai-based botnet named ShadowV2 emerged during last October's widespread AWS outage, infecting IoT devices across industries and continents, likely serving as a "test run" for future attacks, according to Fortinet's FortiGuard Labs.…

Also: Catching Up With Spain's Most Dangerous HackerThis week, the FCC OK'd cybersecurity labeling, DarkGate exploited Google, Fortinet patched a bug, cyberattacks hit the French government and employment agencies, Google restricted Gemini AI chatbot and paid bug bounties, Microsoft had Patch Tuesday, Marine Max was attacked, and Alcasec moved on.

FortiGuard Labs said the new campaign incorporates 13 distinct payloads

Fortinet discovered Multiple DDoS botnets, including Dark.IoT, a variant based on Mirai

A novel Go-based botnet called Zerobot has been observed in the wild proliferating by taking advantage of nearly two dozen security vulnerabilities in the internet of things (IoT) devices and other software

A threat group that pursues crypto mining and distributed denial-of-service (DDoS) attacks has been linked to a new botnet called Enemybot, which has been discovered enslaving routers and Internet of Things (IoT) devices since last month