Building Detection Rules

Summary

Writing rules (in a SIEM or IDS) that trigger an alert on specific suspicious patterns — translating threat intelligence and ATT&CK techniques into actual, actionable detection logic.

How to Learn This

1Write a basic detection rule for a specific suspicious pattern (e.g. multiple failed logins).
2Learn to test a detection rule against both malicious and benign sample data to check for false positives.
3Understand why overly broad rules generate noise, and overly narrow ones miss real attacks.

MITRE ATT&CK Framework

Incident Response Lifecycle

More topics in Security Operations & Monitoring

SOC (Security Operations Center) Basics SIEM Fundamentals (Splunk, ELK)Log Analysis & Correlation Intrusion Detection & Prevention Systems (IDS/IPS)Threat Hunting Basics Security Alerts & Triage Endpoint Detection & Response (EDR)Threat Intelligence Basics MITRE ATT&CK Framework

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