Q: 11
What is a best practice of secure coding?
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📖 About this Domain
This domain focuses on integrating security practices throughout the entire Software Development Lifecycle (SDLC). It emphasizes the 'shift-left' principle, embedding security from initial requirements through deployment and maintenance. You will explore how to make security an intrinsic part of software development, not an afterthought.
🎓 What You Will Learn
- How to apply security activities like threat modeling and risk analysis during the requirements and design phases of the SDLC.
- The implementation of secure coding practices and the use of static application security testing (SAST) during the development phase.
- The roles of dynamic application security testing (DAST), interactive application security testing (IAST), and penetration testing in the verification phase.
- Best practices for secure deployment, configuration management, and post-release monitoring and incident response.
🛠️ Skills You Will Build
- The ability to integrate security checkpoints and controls into various development methodologies like Agile and Waterfall.
- Skill in conducting threat modeling using frameworks such as STRIDE to identify and mitigate potential design flaws.
- Competency in selecting and interpreting results from different application security testing tools (SAST, DAST).
- Proficiency in establishing secure CI/CD pipeline practices to automate security validation before deployment.
💡 Top Tips to Prepare
- Master the specific security tasks and artifacts associated with each phase of a secure SDLC.
- Focus on the practical application of threat modeling; know what STRIDE stands for and how to apply it to a system design.
- Clearly differentiate between SAST, DAST, and IAST, including when each is used in the lifecycle and what types of vulnerabilities they find.
- Review concepts related to supply chain security, such as Software Bill of Materials (SBOM) and dependency scanning.
📖 About this Domain
This domain covers the integration of fundamental security principles into the software design phase of the SDLC. It emphasizes proactive security measures, threat modeling, and established secure design patterns. The focus is on building security into software architecture, not adding it as an afterthought.
🎓 What You Will Learn
- You will learn to apply core security principles like least privilege, defense-in-depth, and fail-safe defaults to software architecture.
- You will learn to use threat modeling methodologies like STRIDE to identify and mitigate potential security vulnerabilities during the design stage.
- You will learn to implement established secure design patterns to solve recurring security problems and reduce the attack surface.
- You will learn how to integrate these principles and practices into a Secure Software Development Lifecycle (SSDLC).
🛠️ Skills You Will Build
- You will build the skill to perform threat modeling to deconstruct systems and identify potential attack vectors.
- You will gain the ability to architect software systems with layered security controls based on defense-in-depth.
- You will develop the skill to select and apply appropriate secure design patterns to mitigate specific threats.
- You will build the competence to evaluate software designs for compliance with security principles and standards.
💡 Top Tips to Prepare
- Focus on memorizing the core security design principles and be able to apply them to given scenarios.
- Practice applying the STRIDE threat model to simple application diagrams to solidify your understanding.
- Create flashcards that link specific secure design patterns to the security principles they enforce.
- Review case studies on security breaches caused by design flaws to understand the real-world impact.
📖 About this Domain
This domain covers the foundational concepts of secure software design. It establishes the importance of integrating security throughout the Software Development Lifecycle (SDLC). Core principles, security models, and objectives like the CIA triad are introduced.
🎓 What You Will Learn
- You will learn the core security objectives defined by the CIA Triad (Confidentiality, Integrity, Availability) and AAA services.
- You will learn to apply fundamental security design principles such as least privilege, defense in depth, and fail-safe defaults.
- You will learn to identify security touchpoints and activities within various SDLC models like Waterfall and Agile.
- You will learn the purpose of classic security models, including Bell-LaPadula for confidentiality and Biba for integrity.
🛠️ Skills You Will Build
- You will build the skill to define security requirements early in the SDLC planning and requirements gathering phase.
- You will build the ability to analyze software architecture against core security principles to identify design flaws.
- You will build competency in recognizing how different SDLC methodologies impact the implementation of security controls.
- You will build the skill to differentiate between security models and select the appropriate one based on policy goals.
💡 Top Tips to Prepare
- Master the definitions and practical applications of the CIA Triad and each of the security design principles.
- Focus on how security activities like threat modeling and risk assessment map to specific phases of the SDLC.
- Create flashcards to distinguish between the Bell-LaPadula ('no read up') and Biba ('no write down') models.
- Practice applying the principle of least privilege and separation of duties to hypothetical design scenarios.
📖 About this Domain
This domain covers foundational secure design principles for building resilient software. You will explore how to proactively identify and mitigate security risks using threat modeling methodologies within the Secure Software Development Lifecycle (SSDLC).
🎓 What You Will Learn
- Learn core secure design principles such as defense in depth, least privilege, and secure defaults.
- Understand threat modeling frameworks including STRIDE, DREAD, and PASTA.
- Identify and analyze a system's attack surface to pinpoint potential vulnerabilities.
- Distinguish between secure design patterns and common anti-patterns that introduce risk.
🛠️ Skills You Will Build
- Constructing Data Flow Diagrams (DFDs) to visualize system components and trust boundaries.
- Applying the STRIDE methodology to enumerate threats against application assets.
- Analyzing software architecture to identify potential design-level security flaws.
- Prioritizing identified threats based on risk-rating models to guide mitigation efforts.
💡 Top Tips to Prepare
- Master the STRIDE and DREAD acronyms and the specific threat category each letter represents.
- Practice decomposing sample applications to identify entry points, assets, and trust levels.
- Focus on the practical application of threat modeling, not just theoretical definitions.
- Understand how design principles like 'fail-safe' and 'economy of mechanism' translate to secure code.
📖 About this Domain
This domain focuses on the high-level design and structure of secure software systems. It covers the fundamental architectural patterns and security principles used to build resilient applications. You will learn how to integrate security into the core design of software, rather than as an afterthought.
🎓 What You Will Learn
- Analyze secure design patterns like defense-in-depth, zero trust, and fail-secure to mitigate architectural risks.
- Evaluate the security implications of architectural styles such as client-server, monolithic, and microservices.
- Understand the application of cryptographic technologies for data-in-transit and data-at-rest protection.
- Explore identity and access management technologies including SAML, OAuth 2.0, and OpenID Connect (OIDC).
🛠️ Skills You Will Build
- Applying the principle of least privilege and separation of duties in system design.
- Conducting architectural risk analysis and threat modeling using frameworks like STRIDE.
- Designing secure APIs and implementing secure inter-service communication.
- Integrating security controls within a continuous integration/continuous deployment (CI/CD) pipeline.
💡 Top Tips to Prepare
- Focus on the core differences and use cases for authentication and authorization protocols like SAML, OAuth, and OIDC.
- Master secure design principles like defense-in-depth and least privilege, as they are foundational concepts.
- Practice identifying security flaws in architectural diagrams and proposing appropriate mitigations.
- Understand how containerization and orchestration technologies like Docker and Kubernetes impact secure architecture.
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