🚨 Immediate Actions (0-24 hours) Declare major incident; engage executive and legal points of contact Activate incident response bridge and assign an incident commander Isolate affected hosts and block indicators at the perimeter Enable heightened logging and preserve volatile evidence (memory, network captures) ⏰ Short-term Actions (1-7 days) Scope the impact across systems and identities; review authentication logs Contain lateral movement paths and reset exposed credentials Harden external exposure (WAF rules, rate limiting) aligned to observed TTPs Initiate threat hunting across crown-jewel systems 📅 Long-term Actions (1-4 weeks) Close detection gaps and tune SIEM/EDR analytics for similar activity Improve backup immutability and test recovery time objectives Update playbooks and conduct a blameless post-incident review 📢 Communication Plan Notify executive stakeholders with concise status and next steps Prepare customer/regulator notification drafts if thresholds are met Coordinate with vendors and threat intel partners as needed 🔄 Recovery Actions Restore prioritized services from clean backups; verify integrity checks Gradually reintroduce connectivity with enhanced monitoring Retire temporary controls after risk is demonstrably reduced 📖 Story 🛡️ How to Protect Yourself 🛡️ Security Controls 🔍 CVE Details 🔬 Case Study 🎯 Attack Matrix 🎯 CISO Guidance 🎭 FUD Detection 💡 So What Analysis 📊 Board Bullets ✅ IR Checklist 🔗 Advisory Links