The Microsoft Security Development Lifecycle (SDL) Quiz

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Questions and Answers

What is the Microsoft SDL?

  • A hardware device
  • A software development model (correct)
  • A programming language
  • A security threat

What is the purpose of the SDL?

  • To create more vulnerabilities in software
  • To introduce security and privacy early in the development process (correct)
  • To decrease the number of patches required
  • To increase the cost of software development

What are the SD3+C principles?

  • Principles to determine software performance
  • Principles to determine user interface design
  • Principles to determine where security efforts are needed (correct)
  • Principles to determine software compatibility

What is the Secure by Design principle?

<p>Includes secure architecture, threat modeling, vulnerability elimination, and improvements in security (A)</p> Signup and view all the answers

What is the Secure by Default principle?

<p>Includes least privilege, defense in depth, conservative default settings, avoidance of risky default changes, and less commonly used services off by default (D)</p> Signup and view all the answers

What is the Secure in Deployment principle?

<p>Includes deployment guides, analysis and management tools, and patch deployment tools (B)</p> Signup and view all the answers

What is the benefit of implementing the SDL?

<p>Significant reduction in vulnerabilities and cost savings due to fewer patches required (C)</p> Signup and view all the answers

What is software security engineering?

<p>Developing software in a way that is more secure from the outset (B)</p> Signup and view all the answers

What are some of the specific process activities involved in software security engineering?

<p>Misuse or abuse cases and secure coding (C)</p> Signup and view all the answers

What resources are available for learning more about software security engineering?

<p>Books devoted exclusively to software security engineering (D)</p> Signup and view all the answers

What is the touchpoints approach to software security?

<p>It is a process agnostic approach that emphasizes security activities (C)</p> Signup and view all the answers

What is the minimum set of activities that some organizations consider should be performed in secure software development?

<p>The touchpoints approach (B)</p> Signup and view all the answers

What did Microsoft do with the SDL activities?

<p>They integrated them with an agile development approach (D)</p> Signup and view all the answers

Flashcards

Microsoft SDL

A software development model from Microsoft.

Purpose of SDL

To incorporate security and privacy considerations early in the software creation process.

SD3+C Principles

Principles that guide where security efforts are most needed: Secure by Design, Default, Deployment + Communication.

Secure by Design

Designing the architecture with security in mind, including threat modeling and vulnerability elimination.

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Secure by Default

Default configurations should be secure, with least privilege, defense in depth, and disabling risky/unused services.

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Secure in Deployment

Providing guides, tools, and processes for secure deployment and patching.

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Benefits of SDL

Fewer vulnerabilities and reduced costs due to less patching.

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Software Security Engineering

Creating software with security as a primary goal from the beginning.

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Activities in SSE

Analyzing potential misuse scenarios and practicing secure coding techniques.

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Touchpoints Approach

A process-agnostic approach emphasizing key security activities throughout the software development lifecycle.

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Touchpoints Minimum

A minimum set of security activities that should be performed in secure software development.

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Microsoft's SDL & Agile

Microsoft integrated SDL activities into an agile development framework.

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Study Notes

The Microsoft Security Development Lifecycle (SDL)

  • The Microsoft SDL is a mandatory policy since 2004, enabling Microsoft to embed security and privacy in its software and culture.
  • The SDL introduces security and privacy early and throughout all phases of the development process.
  • Microsoft defined SD3+C principles to help determine where security efforts are needed.
  • Secure by Design principle includes secure architecture, threat modeling, vulnerability elimination, and improvements in security.
  • Secure by Default principle includes least privilege, defense in depth, conservative default settings, avoidance of risky default changes, and less commonly used services off by default.
  • Secure in Deployment principle includes deployment guides, analysis and management tools, and patch deployment tools.
  • Communications principle includes security response and community engagement.
  • The SDL model includes 16 recommended practices for architects, designers, developers, and testers to follow.
  • The implementation of SDL shows a significant reduction in vulnerabilities and cost savings due to fewer patches required.
  • Numerous papers, books, and training materials are available to accompany the SDL model.
  • The SDL is the most widely known and used security development life-cycle model.
  • The SDL website provides more information about the practices and principles.

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