IndustryGovernment & DefenceHighCISA Finalizes CIRCIA Mandate: 72-Hour Incident and 24-Hour Ransomware Reporting EnforcedCISA issued its landmark final rule under CIRCIA, legally mandating critical infrastructure operators report major cyber incidents within 72 hours and ransom payments within 24 hours.Tom Verhoeven·14 Sep 2026, 18:30 IST·8 min read