Audit Logs: What They Are and What to Look For in a Vendor
When something goes wrong, the first question is always who did what and when. An audit log is the only honest answer, and not all of them are worth the name.
An audit log is a record of significant actions in a system: who did what, to what, and when. It is the boring infrastructure nobody thinks about until the moment they desperately need it - a security incident, a compliance audit, a dispute over what happened. In that moment, the quality of your audit log is the difference between a clear answer and a shrug.
Buyers often treat audit logging as a checkbox. It is worth more scrutiny than that, because a log that captures too little, or that can be altered, provides false comfort exactly when you rely on it most.
What a good audit log captures
- Actor: which user or system performed the action, tied to a real identity.
- Action and object: what was done and to which record - created, changed, deleted, exported, permission granted.
- Timestamp: when it happened, precisely, in a consistent time reference.
- Before and after where relevant: for changes, what the value was and what it became, so you can reconstruct events.
- Security-relevant events specifically: logins, failed logins, permission changes, data exports, and administrative actions.
The properties that make a log trustworthy
Completeness and integrity matter as much as content. A log that captures ordinary edits but not permission changes or exports misses exactly the events an investigation cares about. And a log that users can edit or delete is not evidence - it is a suggestion. Trustworthy audit logs are append-only or otherwise protected from tampering, so the record cannot be quietly rewritten by the person being investigated.
Retention is the third property. A log that only keeps a few days of history cannot answer questions about something that happened last quarter. For compliance and serious investigations, you need the log to reach back far enough to cover the period in question, which varies by your obligations.
How to evaluate a vendor on audit logging
Ask concrete questions rather than accepting a yes. What actions are logged, specifically - are permission changes, exports, and admin actions included? Can log entries be altered or deleted by users, or are they protected? How long is history retained, and can you export it? Can you search and filter it to answer a real question quickly, or is it an undifferentiated dump?
The answers separate a genuine audit trail from a checkbox. For any organization with security or compliance obligations, and increasingly for any organization at all, the ability to reconstruct who did what is not optional - it is how you handle incidents, satisfy auditors, and resolve disputes with facts instead of guesses.
Where Atlas fits
Because Atlas runs on one data model and one identity system, actions across the platform can be attributed to a single, coherent identity rather than reconstructed from separate per-tool logs that never quite line up. That unified foundation is what makes a cross-cutting audit trail possible in the first place.
When evaluating any platform, treat audit logging as a security control, not a formality. Confirm what is captured, that it cannot be tampered with, and that it is retained and searchable. Those are the properties that turn a log from decoration into evidence.