up:: [[Application Security]] # Software Development Life Cycle Security (SDLC Security) [[Software Development Life Cycle]] Security (SDLC Security) involves integrating security practices and considerations throughout the software development process. This approach ensures that security is not merely an afterthought but a fundamental aspect of developing software, from initial planning through deployment and maintenance. ## How It Works SDLC Security is integrated through various phases of the software development life cycle: 1. **Requirement Analysis:** Security needs are identified along with functional requirements. 2. **Design:** Security frameworks and protocols are defined. Threat modeling is performed to address potential security issues in the architecture. 3. **Implementation:** Code is written following secure coding guidelines to minimize vulnerabilities. 4. **Testing:** The application undergoes security testing methodologies such as static application security testing (SAST) and dynamic application security testing (DAST). 5. **Deployment:** Security configurations and settings are reviewed and applied before the software is deployed. 6. **Maintenance:** Ongoing security testing, updates, and patches are managed to address [[emerging threats]] and vulnerabilities. ## Key Features - **Proactive Security Posture:** Focuses on preventing security issues rather than reacting after they occur. - **Security Automation:** Incorporates automated tools to identify and remediate security issues during the development process. - **Continuous Feedback Loop:** Security practices are refined based on feedback and testing throughout the lifecycle. ## Problem Addressed [[Software Development Life Cycle|SDLC]] Security addresses the challenge of vulnerabilities often found in software by integrating security from the start, reducing the risks of data breaches and attacks associated with software vulnerabilities. ## Implications Integrating security into the SDLC reduces the cost and complexity of fixing security issues post-deployment and enhances the overall trustworthiness and reliability of software products. ## Impact Implementing SDLC Security significantly lowers the risk of security breaches and vulnerabilities, ensuring that the software is more secure and compliant with regulatory requirements. It also promotes a culture of security within development teams. ## Defense Mechanisms - **Threat Modeling:** Identifying potential threats and vulnerabilities early in the development process. - **[[Secure Coding Practices]]:** Training developers on secure coding techniques and best practices. - **Regular Audits and [[Penetration Testing]]:** Continuously testing the software for vulnerabilities throughout its development. ## Exploitable Mechanisms/Weaknesses Without proper implementation, SDLC Security can miss latent vulnerabilities, especially if security testing and updates are not adequately managed or if the security measures do not evolve with [[emerging threats]]. ## Common Tools/Software - **SonarQube:** Automates code review to detect bugs, vulnerabilities, and code smells. - **Checkmarx:** Provides comprehensive solutions for static and dynamic security testing of applications. - **Veracode:** Delivers application security testing tools that integrate into the SDLC. ## Related Cybersecurity Policies - **[[NIST Special Publication 800-53]]:** Provides a framework for security controls that can be integrated throughout the [[Software Development Life Cycle|SDLC]]. - **ISO/IEC 27034:** Offers guidelines for [[application security]], particularly focusing on integrating security within the software development lifecycle. - **OWASP Secure Software Development Lifecycle Project:** Provides a core framework for integrating security into [[Software Development Life Cycle|SDLC]] processes. ## Best Practices - Include security considerations in all phases of the [[Software Development Life Cycle|SDLC]]. - Employ automated tools to aid in continuous security evaluation. - Foster a culture of security [[awareness and training]] among development teams. - Conduct regular security assessments and update security practices based on the latest threat intelligence. ## Current Status As cyber threats continue to evolve, SDLC Security remains a critical focus for organizations aiming to develop secure software products. The field is continually advancing with new tools, practices, and standards to address the dynamic nature of software development and cybersecurity. ## Revision History - **2024-04-14:** Entry created.