AI systems are fully capable of carrying out nightmare attacks against infrastructure and nobody's ready

A security-news digest covering actively exploited vulnerabilities, critical patching issues, ransomware and data breaches, supply-chain compromises, phishing and typosquatting, AI-agent abuse, infrastructure attacks, and state-sponsored cyber operations. Notable items include actively exploited FortiMail and NetScaler flaws, Shai-Hulud malware targeting AI infrastructure, a high-severity Nvidia vulnerability (CVE-2026-47483), a NetScaler denial-of-service flaw (CVE-2026-88779), and critical Atlassian file-access issues.