Everything Everywhere All at Once: A Guide to Alert Triage and Analysis
summary
Practical triage workflow that begins with the rule “alert value is inversely proportional to volume” and an alert analysis checklist derived from a MITRE Cyber Range exercise. Prioritize red/high severity and multi-source hits, collect who/what/when/where (IPs, hostnames, users, processes, hashes), pull packet captures and EDR evidence, run suspicious files through threat emulation, document IOCs and response actions, block malicious domains/HTML attachments, and schedule regular signature tuning and shared incident notes so recurring false positives get fixed.
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chapters (10)
- 0:00Alert triage challenges
- 2:50Alert triage basics
- 5:16Prioritizing alerts with Megan's Law
- 9:55Investigation checklist
- 13:49Alert categorization
- 19:53Malware alert investigation
- 26:58Phishing investigation
- 33:04Post-incident actions
- 36:16Tuning and improvements
- 39:22Q&A
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