How do I prepare my SaaS for a security audit?

Whether you’re preparing for a SOC 2 audit, a customer’s security questionnaire, or an investor’s technical due diligence, the goal is the same: show that security findings get found and fixed as a matter of routine, not as a one-time scramble before the audit.

1. Run a baseline scan before anyone else does

Find your own hardcoded secrets, injection bugs, and missing auth checks before an auditor or a customer’s security team finds them for you. Fixing issues you found yourself is routine maintenance. Fixing issues someone else found is a credibility problem.

2. Pay special attention to AI-generated code

If your team uses Cursor, Copilot, Claude Code, or similar tools, the AI-generated portion of your codebase is statistically more likely to contain the issues auditors look for first — hardcoded credentials, missing access control, weak crypto. Treat it as a distinct risk category, not the same as hand-written code.

3. Document your scanning and remediation history

Auditors want evidence of a repeatable process: when issues were found, how quickly they were fixed, and what runs automatically to catch the next one. Scan results, PR comments, and CI logs are exactly the kind of evidence that turns a vague “we take security seriously” into something verifiable.

4. Automate it so the evidence keeps generating itself

A scanner wired into CI that comments on every pull request produces an ongoing audit trail with zero extra effort. By the time the actual audit happens, you’re handing over months of evidence instead of building it retroactively.

5. Know what you can't fix yet — and say so

Some findings (an open dependency CVE with no upstream patch, for example) can’t be resolved immediately. Auditors respond well to a documented, honest assessment of known issues and mitigations far better than to a report that claims zero findings and turns out not to be true.

See Prbl for SOC 2 prep for how this fits into an actual audit timeline.