: Use logs and forensic tools to determine the source of the incident and prevent future occurrences.
: These are used to track account logins, suspicious process executions (e.g., unusual parent-child relationships), and PowerShell-based attacks.
Effective threat investigation is the bridge between detection and response — the process that transforms raw alerts into actionable intelligence. In a threat landscape where 90% of SOCs struggle with alert overload and 84% investigate the same incidents repeatedly, excellence in investigation is no longer optional. It is the defining capability that separates high-performing SOCs from those that remain perpetually reactive. effective threat investigation for soc analysts pdf
Key assumptions (reasonable defaults):
Following a structured methodology prevents missed steps and ensures accuracy. : Use logs and forensic tools to determine
Effective investigation documentation answers five fundamental questions:
Application layer protocols, web protocols, or encrypted channels. 6. Phase 5: Containment, Eradication, and Lessons Learned In a threat landscape where 90% of SOCs
Does the attacker still have active persistence (backdoors)? 3. Essential Tools for the Modern Analyst To investigate effectively, analysts must be proficient in: