Individual skill
correlating-security-events-in-qradar
Correlates security events in IBM QRadar SIEM using AQL (Ariel Query Language), custom rules, building blocks, and offense management to detect multi-stage attacks across network, endpoint, and application log sources. Use when SOC analysts need to investigate QRadar offenses, build correlation rules, or tune detection logic for reducing false positives.
internal/tools/skills/data/soc-operations/correlating-security-events-in-qradar/SKILL.md
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- Last checked
- Nov 7, 2026
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- 1,313
- Repository last updated
- Nov 7, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- soc Declared skill tag
- qradar Declared skill tag
- siem Declared skill tag
- aql Declared skill tag
- correlation Declared skill tag
- offense-management Declared skill tag
- ibm Declared skill tag
- security Derived category
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# Correlating Security Events in QRadar
## When to Use
Use this skill when:
- SOC analysts need to investigate QRadar offenses and correlate events across multiple log sources
- Detection engineers build custom correlation rules to identify multi-stage attacks
- Alert tuning is required to reduce false positive offenses and improve signal quality
- The team migrates from basic event monitoring to behavior-based correlation
**Do not use** for log source onboarding or parsing — that requires QRadar administrator access and DSM editor knowledge.
## Detection Gaps & Validation
- **DSM parsing leaves fields unextracted:** AQL correlation only works if the log source's DSM properly maps `username`, `sourceIP`, `destinationIP` to QRadar fields. A custom/unsupported log source parsed by the generic DSM populates `payload` but leaves `username` NULL, so a rule keyed on "same username" never fires and your `JOIN ... ON e.sourceIP` returns empty. Validate with `SELECT username, sourceIP FROM events WHERE logSourceId=<id>` — if columns are NULL, the gap is DSM extraction, not attacker absence.