Back to blog
HR Techdocumentsstorage

KBIS, bank details, supporting documents: how to avoid leaks

Published on 2026-04-165 min readCleanIssue

> TL;DR: Supporting documents shared in HR or recruiting software quickly become a weak point when storage and link logic are not reviewed seriously.

Supporting documents remain a classic weak point

KBIS extracts, bank details, identity documents, contracts, and certificates often move between product, support, and operations. As soon as document storage is too permissive, these files become an immediate risk.

For more — see our external review for HR SaaS.

Useful checks

  • link lifetime;
  • client separation;
  • direct-download paths;
  • logs and temporary copies;
  • support and back-office access.
  • For HR & Payroll vendors

    CleanIssue specializes in security reviews for HR, payroll, and recruiting software. If you're building an HRIS, payroll tool, or ATS and want an external review of your exposure before a client audit or security questionnaire, see our offer for HR & Payroll 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 HR, payroll, or recruiting software? CleanIssue performs security audits for HR SaaS 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.

    Related services

    If this topic maps to a real risk in your stack, these are the most relevant CleanIssue audits.

    Need an external review of your HR SaaS?

    Share your product, stack, and client context. We will come back with the right review scope.

    Discuss your audit