How to Defend Against Iran's Cyber Retaliation Playbook

CIS CTI warns that Iranian-aligned operators are likely to pursue persistent, cumulative cyber campaigns rather than single catastrophic strikes, using spearphishing, impersonation, credential abuse, living-off-the-land techniques, web shells, DNS/web-based C2, and destructive malware disguised as ransomware; the advisory highlights targeting of SLTT and critical sectors (energy, finance, healthcare) and recommends urgent actions such as patching internet-facing devices, enforcing MFA, auditing service accounts, tuning LOTL detections, and coordinating with MS-ISAC and sector ISACs.