DAST (Dynamic Application Security Testing) is a security testing method that checks websites and applications while they're running to find potential security problems. Think of it like a security guard who actively tests doors and windows while a building is in use, rather than just looking at the building plans. It's different from other security tests because it finds real-world problems that might only appear when the application is actually running. Companies use DAST tools to protect their applications from hackers and ensure their systems are safe for users.
Implemented DAST programs to identify security vulnerabilities in web applications
Led security testing initiatives using DAST and other security tools
Conducted regular DAST scans to maintain application security standards
Utilized Dynamic Application Security Testing to protect company web assets
Typical job title: "Application Security Engineers"
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Q: How would you implement a DAST program in an organization that has never used it before?
Expected Answer: A senior should discuss creating a testing strategy, choosing appropriate tools, setting up regular scanning schedules, and training team members. They should also mention integrating DAST with the development process and handling false positives.
Q: How do you prioritize DAST findings in a large enterprise?
Expected Answer: Should explain how to assess risk levels, categorize vulnerabilities by impact, create action plans, and balance security needs with business priorities. Should mention experience with reporting and remediation strategies.
Q: What's the difference between DAST and other types of security testing?
Expected Answer: Should explain that DAST tests running applications from the outside, while other methods might look at code or static files. Should give examples of when DAST is most useful.
Q: How do you handle false positives in DAST results?
Expected Answer: Should describe the process of verifying results, documenting genuine issues, and adjusting tool settings to reduce false alarms. Should mention experience with specific DAST tools.
Q: What is DAST and when would you use it?
Expected Answer: Should explain that DAST tests running applications for security issues and is used to find vulnerabilities that might not be visible in the code alone. Basic understanding of web security concepts is expected.
Q: What types of security issues can DAST identify?
Expected Answer: Should list common web vulnerabilities like injection flaws, authentication problems, and data exposure. Should show basic understanding of web application security risks.