Section 09
Secure SDLC Integration
Integrating security into the Software Development Lifecycle (SDLC) ensures that security is considered at every phase—from requirements to retirement.
SDLC Security Activities
Requirements
- • Define security requirements (confidentiality, integrity, availability)
- • Identify compliance requirements (GDPR, HIPAA, PCI)
- • Create abuse cases alongside use cases
- • Data classification for all data types
Design
- • Threat modeling (STRIDE, PASTA)
- • Security architecture review
- • Attack surface analysis
- • Select secure design patterns
- • Define security controls
Development
- • Follow secure coding guidelines
- • Use security linters and IDE plugins
- • SAST in CI/CD pipeline
- • Peer code review for security
- • Secrets management (not in code)
Testing
- • DAST and IAST scans
- • Security unit tests
- • Penetration testing
- • Fuzz testing
- • Dependency vulnerability scanning
Deployment
- • Infrastructure as Code security scanning
- • Container image scanning
- • Configuration hardening verification
- • Security sign-off gate
Operations
- • Security monitoring and alerting
- • Incident response procedures
- • Vulnerability management
- • Patch management
- • Bug bounty program
Security Gates
Security gates are checkpoints where security criteria must be met before proceeding.
Pre-Commit Gate
- • Secret scanning (prevent credential commits)
- • Linting for security anti-patterns
- • Pre-commit hooks
Build Gate
- • SAST scan pass/fail
- • Dependency vulnerability check
- • License compliance
Deploy Gate
- • DAST scan results
- • Container scan pass
- • IaC policy compliance
Release Gate
- • Penetration test sign-off
- • Compliance verification
- • Risk acceptance for exceptions
Security Champions Program
Scale Security
Security teams can't review every line of code. Security champions in each
development team multiply your security capacity.
Champion Responsibilities
- • First point of contact for security questions
- • Participate in threat modeling sessions
- • Review code changes for security issues
- • Triage security scanner findings
- • Evangelize security best practices
Champion Training
- • OWASP Top 10 deep dive
- • Threat modeling certification
- • Secure code review techniques
- • Security tool training
- • Regular security updates and CTFs
Metrics & KPIs
Process Metrics
- • % of projects with threat models
- • Security training completion rate
- • Time from vulnerability to patch
- • Security gate pass rate
Outcome Metrics
- • Vulnerabilities found in production
- • Critical/High findings per release
- • Mean time to remediate (MTTR)
- • Security incidents per quarter