osquery is an open-source tool by Meta that exposes operating system information as SQL tables. It is used for endpoint monitoring and infrastructure auditing.
| Feature | Trailbase | osquery |
|---|---|---|
| Audit scope | Application business events | OS and infrastructure events |
| Deployment | SDK (npm install) | Agent on every host |
| Query language | Structured API | SQL |
| Compliance packs | SOC 2, HIPAA, GDPR | Community packs for CIS benchmarks |
| Tamper-evidence | SHA-256 hash chain | No built-in |
| Customer-facing | Yes — export to customer S3 | No |
| Managed service | Yes | Self-hosted (or Fleet/Kolide) |
osquery and Trailbase complement each other. osquery audits your infrastructure (what processes are running, what files changed). Trailbase audits your application (what users did, what data they accessed). For full compliance coverage, many teams use both.
Application-level audit logging for SaaS compliance
Infrastructure and endpoint visibility
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