Initial Response Actions

1 min read Advanced Security Topics

Initial Response Actions

Once an incident is confirmed, initial response focuses on understanding scope and preventing further damage:

Immediate Response Checklist:

  1. Document Everything: Start incident documentation immediately

    • Time of detection
    • Systems involved
    • Initial indicators
    • Actions taken

  2. Assess Scope: Determine the extent of compromise

    • Identify affected systems
    • Check for lateral movement
    • Review access logs
    • Examine network connections

  3. Preserve Evidence: Ensure forensic integrity

    • Capture volatile data
    • Create system snapshots
    • Secure log files
    • Document system state

  4. Contain the Threat: Limit damage while preserving evidence

    • Isolate affected systems
    • Block malicious IPs/domains
    • Disable compromised accounts
    • Implement temporary controls