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ISO 21434 Secure Software Development Lifecycle (SDLC) Checklist

A comprehensive checklist for implementing secure software development practices in the automotive industry, ensuring compliance with ISO/SAE 21434 standards and addressing potential cybersecurity vulnerabilities throughout the software development lifecycle.

ISO 21434 Secure Software Development Lifecycle (SDLC) Checklist
by: audit-now
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About This Checklist

In the era of software-defined vehicles, ensuring the security of automotive software throughout its development lifecycle is paramount. The ISO 21434 Secure Software Development Lifecycle (SDLC) Checklist is a vital tool for automotive software developers and engineers to integrate cybersecurity practices into every phase of software development, in compliance with the ISO/SAE 21434 standard. This comprehensive checklist addresses the critical need for secure coding practices, threat modeling, and continuous security testing in automotive software development. By implementing this checklist, automotive professionals can significantly reduce vulnerabilities, enhance the overall security posture of vehicle software systems, and build trust in the safety and reliability of connected and autonomous vehicles.

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Industry

Automotive

Standard

ISO/SAE 21434

Workspaces

Automotive Software Development Centers

Occupations

Automotive Software Developer
Systems Engineer
Security Specialist
Quality Assurance Tester
Software Project Manager

Secure Software Development Practices

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1
What is the maturity level of the software security testing process?

Select the maturity level of security testing.

To evaluate the maturity of security testing practices which impacts the overall security posture.
2
How often is security testing conducted during the software development lifecycle?

Enter the frequency of security testing (in months).

To assess the regularity of security testing, ensuring vulnerabilities are identified and addressed promptly.
Min: 1
Target: Monthly
Max: 12
3
Please describe the threat modeling process implemented for the project.

Provide a detailed description of the threat modeling process.

To evaluate the thoroughness of the threat modeling process which identifies potential security threats.
4
Are secure coding practices followed in the development process?

Select the compliance level.

To ensure that the software is developed with security in mind to mitigate vulnerabilities.
5
What is the average time taken to remediate identified vulnerabilities?

Enter the average remediation time in days.

To measure the efficiency of the vulnerability management process.
Min: 1
Target: 30
Max: 90
6
When was the last security audit conducted?

Select the date of the last security audit.

To track the frequency of security audits and ensure compliance with security standards.
7
Is there an incident response plan in place and is it regularly updated?

Select the status of the incident response plan.

To ensure the organization is prepared to respond to cybersecurity incidents effectively.
8
Provide a summary of the risk assessment conducted for the software project.

Summarize the key findings and recommendations from the risk assessment.

To understand the identified risks and the strategies implemented to mitigate them.
Write something awesome...
9
When is the next scheduled secure development training session?

Select the date of the next training session.

To ensure ongoing education and awareness of secure coding practices.
10
What feedback have team members provided regarding the training program?

Provide any feedback received from team members about the training.

To gather insights on the effectiveness and areas for improvement of the training.
11
What percentage of the development team has completed the secure development training?

Enter the percentage of completion.

To assess the effectiveness of the training program and its reach within the team.
Min: 0
Target: 100
Max: 100
12
Is a secure development training program available for all team members?

Select the availability status of the training program.

To ensure that all developers are trained in secure coding practices and understand security risks.
13
When was the last compliance audit conducted for the software development process?

Select the date and time of the last compliance audit.

To monitor the frequency of compliance audits and ensure continuous improvement.
14
How many security vulnerabilities were identified during the last development cycle?

Enter the number of identified vulnerabilities.

To track the effectiveness of security measures in identifying vulnerabilities.
Min: 0
Target: 5
Max: 100
15
Are regular code reviews conducted to ensure secure coding practices?

Indicate whether regular code reviews are performed.

To confirm that peer reviews are in place to enhance code security.
16
Is the software development process compliant with ISO/SAE 21434 standards?

Select the compliance status.

To ensure adherence to industry standards for automotive cybersecurity.
17
When is the next scheduled security review for the software?

Select the date for the next security review.

To ensure regular evaluation of security measures and practices.
18
How many security training sessions have been conducted in the past year?

Enter the number of training sessions held.

To evaluate the organization's commitment to cybersecurity awareness and education.
Min: 0
Target: 10
Max: 50
19
What lessons have been learned from past cybersecurity incidents?

Detail any lessons learned from previous cybersecurity incidents.

To understand how past incidents have influenced current practices and improvements.
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20
Are security updates implemented promptly after they are released?

Select the frequency of security update implementations.

To ensure that the software remains secure against newly discovered vulnerabilities.

FAQs

The main objective is to guide automotive software development teams in implementing secure coding practices and integrating cybersecurity considerations throughout the entire software development lifecycle, ensuring compliance with the ISO/SAE 21434 standard.

This checklist should be used by automotive software developers, systems engineers, quality assurance testers, security specialists, and project managers involved in the development of software for vehicles and automotive systems.

By providing a structured approach to secure software development, this checklist helps identify and mitigate potential security vulnerabilities early in the development process, resulting in more robust and secure automotive software systems.

The checklist should be applied throughout all stages of the software development lifecycle, including requirements gathering, design, implementation, testing, deployment, and maintenance phases.

Key areas include secure requirements analysis, threat modeling, secure design principles, secure coding practices, security testing and validation, secure deployment procedures, and ongoing security maintenance and updates.

Benefits

Ensures compliance with ISO/SAE 21434 secure software development requirements

Integrates security considerations throughout the software development lifecycle

Reduces the risk of vulnerabilities in automotive software systems

Enhances the overall quality and reliability of vehicle software

Facilitates early detection and mitigation of potential security issues