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Product security audit: what to review first

Published on 2026-04-165 min readCleanIssue

> TL;DR: The first areas to review in a payroll vendor: access, exports, documents, support, logs, and tenant separation.

A payroll audit does not start with buzzwords

It starts with sensitive flows: payslips, exports, supporting documents, support access, admin environments, and client separation.

For more — see our software vendor security.

What deserves priority

The point is not to audit everything at once. It is to revisit the areas that can expose salary data or sensitive payroll documents the fastest.

For software vendors

CleanIssue specializes in security reviews for software handling sensitive data. If you're building a product, payroll tool, or ATS and want an external review of your exposure before a client audit or security questionnaire, see our offer for software vendors.

Key Takeaways

  • Identify and test your exposed attack surfaces before a third party does.
  • Client-side security controls never replace server-side validation.
  • Regular audits are more effective than one-time checks — vulnerabilities appear with every deployment.
  • Building software? CleanIssue performs security audits for your product in real-world conditions, no source code access needed. For a first read of your exposure, start with an external review of your application.

    Sources

    Written by CleanIssue
    Reviewed on 2026-04-16

    Editorial analysis based on official vendor, project, and regulator documentation.

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