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Security in the software development life cycle

Software development security

This area focuses on applying security principles throughout the software development life cycle to ensure that security is considered at every stage of development.
5 minutes 5 Questions

Security in the Software Development Life Cycle (SDLC) is a methodical integration of security practices throughout all phases of software creation. From inception to retirement, security must be embedded rather than added as an afterthought. During the Requirements phase, security requirements ar…

Concepts covered: Security Deployment and Monitoring, Threat Modeling, Secure Architecture and Design, Security Risk Assessment, Security Training and Awareness, Privacy by Design, Secure Design Principles, Security Requirements Gathering, Secure Coding Practices, Security Incident Response, Security Testing and Validation, Change Management and Security

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CISSP - Security in the software development life cycle Example Questions

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Question 1

What is the purpose of implementing input validation in the software development life cycle?

Correct Answer: To prevent attackers from inserting malicious code into application inputs

Input validation is a security practice that involves checking the data provided by an application user against a set of predefined rules. The purpose of input validation is to prevent attackers from inserting malicious code into application inputs, such as web forms or search fields, which could be used to exploit vulnerabilities in the application. Thus, the correct answer is to prevent attackers from inserting malicious code into application inputs.

Question 2

Which of the following is a common mistake made in implementing secure file and data handling in the software development life cycle?

Correct Answer: Storing sensitive data in cleartext

Storing sensitive data in cleartext can result in unauthorized access to sensitive information. Encryption should be used to protect sensitive data both in storage and in transit.

Question 3

What is the primary goal of threat modeling in the software development life cycle?

Correct Answer: To identify and mitigate potential security threats

Threat modeling is a process that involves identifying potential security threats and vulnerabilities in an application. The primary goal of threat modeling is to identify and mitigate potential security threats before the application is deployed to production, reducing the risk of cyber attacks or other security incidents. This process typically involves identifying the various components of the application, prioritizing them according to the level of risk they pose, and then implementing appropriate security controls to mitigate these risks. Thus, the correct answer is to identify and mitigate potential security threats.

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