PBA Readiness Checklist

Principles-Based Assurance (PBA)

This checklist helps organisations understand what is typically expected before undertaking a PBA-style assessment.

Governance

  • Security ownership clearly defined across teams

  • Executive oversight established for security maturity

  • Risk management process documented and actively used

  • Clear linkage between policy, risk, and operational controls

Secure Development

  • Secure coding standards defined and implemented

  • Mandatory code review process in place

  • Threat modelling integrated into development lifecycle

  • Developer security training regularly delivered and tracked

  • Evidence of secure development practices applied in real projects

Operational Security

  • Monitoring and alerting capabilities defined

  • Incident response process documented and tested

  • Access control policies implemented and enforced

  • Operational processes consistently applied across environments

Vulnerability Management

  • Defined remediation SLAs based on risk level

  • Centralised vulnerability tracking system

  • Clear ownership of remediation activities

  • Penetration testing process established and repeated

  • Formal risk acceptance and exception handling procedures

Evidence & Assurance

  • Evidence is:

    • repeatable

    • traceable

    • version controlled

  • Clear linkage between:

    • policies → processes → execution → outputs

  • Evidence reflects real operational practices (not retrospective preparation)

Customer Assurance

  • Ability to respond to security questionnaires with evidence

  • Clear articulation of product security posture

  • Structured documentation of controls and implementation

Outcome

You should be able to demonstrate:

👉 How security works in practice — supported by evidence, not just policy

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NCSC CRFT Sanitisation Readiness Checklist - Replacement for CAS‑S

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Preparing for a PBA Assessment: What Evidence Do You Actually Need?