ISO 27001
Technical

Secure Development Policy Template

Secure development lifecycle aligned with ISO/IEC 27001:2022 Annex A controls A.8.25 through A.8.31.

What This Policy Covers

Purpose and Scope-Policy objectives and Annex A.8.25–A.8.31 references.
Secure Development Lifecycle-SDLC phases, security gates, roles and responsibilities (A.8.25).
Security Requirements Definition-Defining and documenting security requirements for new applications and changes (A.8.26).
Secure Architecture and Design-Threat modeling, secure-by-design principles, reference architectures (A.8.27).
Secure Coding Standards-Approved languages, frameworks, OWASP ASVS controls, mandatory code review (A.8.28).
Source Code Protection-Version control access, branch protection, secrets management (supports A.8.4).
Security Testing-SAST, DAST, SCA/dependency scanning, penetration testing, and acceptance criteria (A.8.29).
Outsourced Development-Security requirements and oversight for third-party development work (A.8.30).
Environment Separation-Separation of development, test, and production environments; data handling across environments (A.8.31).
Change Management Integration-How changes flow through the SDLC into production — links to A.8.32 Change Management Policy.
Training and Competency-Secure development training requirements for engineers and reviewers.

Required Sections

A compliant Secure Development Policy for ISO 27001 must include the following11 sections. Each section addresses a specific control requirement that auditors will review.

1

Purpose and Scope

Policy objectives and Annex A.8.25–A.8.31 references.

2

Secure Development Lifecycle

SDLC phases, security gates, roles and responsibilities (A.8.25).

3

Security Requirements Definition

Defining and documenting security requirements for new applications and changes (A.8.26).

4

Secure Architecture and Design

Threat modeling, secure-by-design principles, reference architectures (A.8.27).

5

Secure Coding Standards

Approved languages, frameworks, OWASP ASVS controls, mandatory code review (A.8.28).

6

Source Code Protection

Version control access, branch protection, secrets management (supports A.8.4).

7

Security Testing

SAST, DAST, SCA/dependency scanning, penetration testing, and acceptance criteria (A.8.29).

8

Outsourced Development

Security requirements and oversight for third-party development work (A.8.30).

9

Environment Separation

Separation of development, test, and production environments; data handling across environments (A.8.31).

10

Change Management Integration

How changes flow through the SDLC into production — links to A.8.32 Change Management Policy.

11

Training and Competency

Secure development training requirements for engineers and reviewers.

Generate a Customized Version

This template shows the required structure. PoliWriter generates a fully customized Secure Development Policy that references your actual cloud providers, identity systems, tools, and team practices — ready for auditor review.