Use-case recommendation

Best Format for SIEM-Friendly Operational Logs

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

Recommendation

Define the default first.

JSON

Structured JSON fields map cleanly into SIEM pipelines and detections.

application/json

SYSLOG

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

Files: 5

TRACE

Use trace data to complement timing-level investigations.

Files: 5

Related decisions

Keep adjacent decisions one step away.

FAQ

Resolve the likely objections early.

What is the default format recommendation for this use case?

JSON is the recommended default format here.

How should teams validate this recommendation?

Use sample files and manifest endpoints to test compatibility and behavior before rollout.