Dynamic Application Security Testing (DAST) is essential for securing modern web applications by identifying vulnerabilities in real time. Unlike SAST, which inspects source code, DAST simulates attacks on running applications, uncovering weaknesses that could be exploited.
However, Implementing DAST effectively requires a strategic approach. Here are the best practices security teams should adopt to enhance application security.
Five Best Practices for Security Teams Using DAST:
1. Integrate DAST into Your SDLC for Continuous Testing
DAST should be embedded within the Software Development Lifecycle (SDLC) to detect vulnerabilities at every stage. This Continuous Testing ensures potential threats are addressed before deployment.
- Schedule DAST scans at every major release and after updates.
- Automate DAST in CI/CD pipelines to detect runtime issues early.
- Use test environments that replicate production settings to ensure accurate scans.
2. Use Staging Environments for Safe, Comprehensive Testing
Testing live applications can disrupt services and expose sensitive data. However, You can run DAST scans in a staging environment, which reduces these risks.
- Mirror production environments to simulate real-world scenarios.
- Exclude sensitive production data from test environments.
- Conduct security drills to evaluate system resilience under simulated attacks.
Read More: Running DAST: Staging vs. Production Environments Explained!
3. Customize DAST Scans for Maximum Coverage
Standard DAST configurations may not cover every application feature. This is where custom scans ensure comprehensive testing tailored to your app’s functionality.
- Configure scans for complex workflows, including login sessions.
- Adjust scanning depth based on application complexity.
- Set custom scan policies for different environments and modules.
4. Monitor and Prioritize DAST Findings by Risk Level
DAST results can produce many findings, making prioritization critical. You must focus on high-severity vulnerabilities that could cause the most damage.
- Use DAST tools that assign risk scores based on exploitability.
- Create a remediation roadmap addressing critical issues first.
- Conduct root cause analysis to prevent recurring vulnerabilities.
5. Combine DAST with SAST for Holistic Security
DAST works best when complemented by SAST. While DAST identifies runtime issues, SAST will help you catch code-level vulnerabilities during development.
- Use SAST for static code analysis and DAST for live application testing.
- Consolidate SAST and DAST results into a unified dashboard for easier management.
- Conduct regular security audits to validate combined test effectiveness.
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Conclusion: Stay Ahead with Effective DAST Practices
Adopting DAST best practices keeps your applications resilient against evolving threats. By integrating DAST into the SDLC, Customizing Scans, and Prioritizing Critical Fixes, your security team can proactively defend against cyberattacks.
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