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Agile Greenfield DevSecOps/AppSec Plan for Website DevelopmentTable of Contents
Agile DevSecOps + AppSec Visual Map
Security is not a stage, it's a continuous flow embedded through the pipeline.1. Objectives
* Deliver high-quality, secure web applications while maintaining Agile velocity.
* Embed security-by-design principles into every stage of development.
* Automate security scanning and enforcement to minimize manual bottlenecks.
* Foster a culture where security is shared across development, QA, and operations.
2. Key Vulnerabilities and Mitigation Strategies
| Vulnerability | Mitigation Strategy | Tools/Process |
| Injection (SQL, NoSQL, etc.) | Parameterized queries, ORM use, input validation | SAST, Code Review |
| Broken Authentication | Strong authentication (MFA, OAuth2), secure session management | OIDC Libraries, Pen Testing |
| Sensitive Data Exposure | TLS 1.2+, encryption at rest, minimal data retention | TLS Config, Secrets Management |
| XML External Entities (XXE) | Safe XML parsers, disabling DTDs | SAST, Code Standards Review |
| Broken Access Control | Role-based access controls (RBAC), deny-by-default policies | Manual Reviews, Automated Tests |
| Security Misconfiguration | Hardened templates, config-as-code, secrets management | IaC Scanning (Checkov, tfsec) |
| Cross-Site Scripting (XSS) | Output encoding, CSP headers, input sanitization | SAST, Manual Browser Testing |
| Insecure Deserialization | Avoid deserializing untrusted data, use safe serialization formats | Code Review, Pen Testing |
| Using Vulnerable Components | Automated dependency scanning, patch management | SCA Tools (Snyk, OWASP DC) |
| Insufficient Logging & Monitoring | Centralized logs, anomaly detection, correlation alerts | SIEM, Audit Trails, Log Review |
3. Agile Security Integration by Sprint Phase
| Agile Phase | Security Activities |
| Backlog Grooming | Create security user stories (e.g., "All inputs must be validated.") |
| Sprint Planning | Define security acceptance criteria for user stories |
| Development | Enforce secure coding guidelines, use pre-commit hooks |
| Code Review | Mandatory security checklist (auth, input validation, error handling) |
| CI/CD Build | Automate SAST, SCA, secret detection |
| QA/Testing | Perform DAST, dynamic fuzzing, API security tests |
| Release/Deployment | Perform final security verification, infrastructure scans |
| Retrospective | Capture and remediate lessons learned from incidents/near-misses |
4. Security Automation and Toolchain
| Security Layer | Tool Examples |
| SAST | SonarQube, Semgrep |
| DAST | OWASP ZAP, BurpSuite (Pro/Automated) |
| SCA | Snyk, OWASP Dependency-Check |
| Secrets Scanning | TruffleHog, GitLeaks |
| IaC/Container Scanning | Checkov, Terraform Sentinel, DockerScan |
- Trigger all tools during CI builds to detect vulnerabilities early.
- Fail builds automatically if critical/high vulnerabilities are detected.
5. DevSecOps CI/CD Pipeline Example
6. Culture and Education Initiatives
- Security Champion Program: Appoint a security-aware developer per Agile team.
- Monthly Security Workshops: 30-minute targeted learning (e.g., "Preventing XSS in React").
- Capture-the-Flag (CTF) Challenges: Hands-on practice sessions.
- Gamified Security Metrics: Reward teams with "security points" for excellent practices.
7. Success Metrics
| Metric | Target |
| % of builds passing security gates | ≥ 95% |
| Mean Time to Remediate vulnerabilities | < 7 days |
| Number of secrets committed to repo | 0 |
| Dependency freshness score | ≥ 90% updated within 30 days |
| Developer security training coverage | 100% within 6 months |
Summary
This Agile DevSecOps/AppSec plan ensures rapid development with full-spectrum security baked in at every stage. Automation, cultural transformation, and rigorous vulnerability mitigation make secure, fast delivery not only possible but predictable.
Last modified by Admin @ 6/13/2025 11:24:10 AM
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