ImplementingSecurity by Designthroughout theSoftware Development Life Cycle (SDLC)is the most effective way toreduce application riskbecause:
Proactive Risk Mitigation:Incorporates security practices from the very beginning, rather than addressing issues post-deployment.
Integrated Testing:Security requirements and testing are embedded in each phase of the SDLC.
Secure Coding Practices:Reduces vulnerabilities likeinjection, XSS, and insecure deserialization.
Cost Efficiency:Fixing issues during design is significantly cheaper than patching after production.
Other options analysis:
B. Security through obscurity:Ineffective as a standalone approach.
C. Peer code reviews:Valuable but limited if security is not considered from the start.
D. Extensive penetration testing:Detects vulnerabilities post-development, but cannot fix flawed architecture.
CCOA Official Review Manual, 1st Edition References:
Chapter 10: Secure Software Development Practices:Discusses the importance of integrating security from the design phase.
Chapter 7: Application Security Testing:Highlights proactive security in development.
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