Files
Anthropic-Cybersecurity-Skills/skills/performing-false-positive-reduction-in-siem/references/api-reference.md
T
mukul975 c21af3347e Complete folder anatomy for all 649 cybersecurity skills + update LICENSE to Mahipal
- Add scripts/agent.py and references/api-reference.md to all remaining skills
- Update all 648 LICENSE files: copyright now reads 'Mahipal'
- Add implementing-security-monitoring-with-datadog (new skill with full anatomy)
- All 649 skills now have: SKILL.md, LICENSE, scripts/agent.py, references/api-reference.md
2026-03-11 00:22:12 +01:00

1.5 KiB

API Reference — Performing False Positive Reduction in SIEM

Libraries Used

  • csv: Parse SIEM alert export files (Splunk, QRadar, Sentinel)
  • collections.Counter: Aggregate alert patterns by rule, source, severity

CLI Interface

python agent.py analyze --csv alerts.csv [--threshold 5]
python agent.py tune --csv alerts.csv
python agent.py simulate --csv alerts.csv [--disable-rules "Rule A" "Rule B"] [--whitelist-sources 10.0.0.1]

Core Functions

analyze_alerts(csv_file, threshold) — Identify false positive patterns

Parses alert CSV, calculates per-rule FP rates, identifies noisy rules exceeding threshold. Returns: total alerts, FP count/rate, noisy rules ranked by FP rate, top FP sources.

generate_tuning_recommendations(csv_file) — Create tuning action plan

Maps FP rates to actions: DISABLE (>=90%), ADD_WHITELIST (>=70%), TUNE_THRESHOLD (>=50%), REVIEW (<50%).

simulate_tuning_impact(csv_file, rules_to_disable, sources_to_whitelist) — Model tuning changes

Calculates alert volume reduction and new FP rate after applying proposed rule disables and source whitelists.

Expected CSV Columns

  • rule_name / Rule / alert_name: Detection rule identifier
  • src_ip / source_ip / Source: Source IP address
  • status / Status / disposition: Alert disposition (false_positive, fp, closed_fp, benign)
  • severity / Severity: Alert severity level

FP Status Keywords

false_positive, fp, closed_fp, benign

Dependencies

No external packages — Python standard library only.