Best Format for SIEM-Friendly Operational Logs

JSON logs are generally best for SIEM ingestion and rule-based analytics.

Recommended Default

JSON (Log)

Structured JSON fields map cleanly into SIEM pipelines and detections.

Files available: 5

application/json

Open Samples Open Hub Open Manifest

Alternatives

SYSLOG (Log)

Files: 5

Use syslog where existing forwarders and collectors are syslog-native.

Samples Hub

TRACE (Log)

Files: 5

Use trace data to complement timing-level investigations.

Samples Hub

Related Comparisons

Access Log vs JSON Log

Compare classic plain-text access logs with structured JSON log events.

Open Comparison

Related Strategy Pages

Best Format Guides

Use-Case Recommendations

How to Convert