THE Security Affairs newsletter Round 582 presents key cybersecurity topics and incidents as of June 21, 2026. Highlights include articles on the Gentlemen ransomware and its exploitative tactics, the FortiBleed global credential-spraying operation, CISA warnings regarding vulnerabilities, ransomware attacks, and data breaches affecting sectors like EdTech and healthcare.
Specific incidents include over 14,000 WordPress sites being cleaned due to malware exposure, massive credential leaks, and various critical vulnerabilities in Cisco and Fortinet systems. The newsletter also covers international law enforcement actions against cybercrime groups and emerging malware threats.