Cyber Advisory: Increased Cyber Risk Amid U.S.–Israel–Iran Escalation

Sophos X-Ops advises an elevated near-term cyber risk after the Feb 28, 2026 strikes on Iran, reporting a surge in pro-Iran hacktivist and Iran-aligned activity (DDoS, website defacements, credential attacks, potential ransomware/wiper and hack-and-leak operations). The advisory highlights affected sectors (government, critical infrastructure, financial services, and defense-adjacent organizations), maps likely MITRE ATT&CK techniques, emphasizes that many compromise claims are unverified, and provides prioritized defensive measures including MFA, patching, EDR/XDR monitoring, backup validation, and incident response readiness.