InfoSecBulletin Cybersecurity for mankind

Google has shared its Android Security Bulletin for April 2026. It includes important security fixes for the popular mobile system. The update has two parts—the 2026-04-01 and 2026-04-05 patch levels. Together, they fix many problems, from local Denial of Service (DoS) issues to serious flaws in special hardware. The 2026-04-01 …

Threat groups linked to Qilin and Warlock ransomware have been seen using the bring your own vulnerable driver (BYOVD) method to disable security tools on compromised computers, as reported by Cisco Talos and Trend Micro. Qilin attacks analyzed by Cisco Talos have been found to deploy a malicious DLL named …

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to protect FortiClient Enterprise Management Server (EMS) systems from a known security issue by Friday. Tracked as CVE-2026-35616, this security flaw was found by the cybersecurity company Defused. Fortinet shared urgent fixes over the weekend to fix the problem. They …