Cybersecurity Incident Analysis: From Breach to Lessons
In a world where everything is connected via the internet, cybersecurity incidents are becoming a reality for any organization, big or small. This article will show you how to professionally analyze incidents and plan for future prevention
Common events
• Unauthorized Access
• Data Breach
• Ransomware
• Web Shell / Backdoor
Incident Analysis
1. Detection: Identify if there are any unusual events, such as strange behavior from the firewall or SIEM
2. Assessment: Damage analysis, extent of affected data
3. Containment: Prevent incidents from escalating, such as temporarily shutting down a system or isolating the machine from the network
4. Forensics: Collect logs, examine suspicious files to find the source of the attack
5. Recovery: Restore the system to normal operation
6. Lessons Learned: Analyze the vulnerabilities that led to the incident and prevent them from happening again
Good incident response is not just about stopping an attack, but also about learning how to prevent it from happening again
Good incident response is not just about stopping an attack, but also about learning how to prevent it from happening again
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What an organization should have
• Runbook or Playbook for incident response
• Comprehensive Logging System (SIEM/EDR)
• Forensics team or partners ready to provide assistance
• Regular training (Cyber Drill)