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How do you overcome the challenges of DAST for complex and dynamic applications?

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Dynamic application security testing (DAST) is a technique that analyzes web applications for vulnerabilities by simulating real-world attacks. DAST can help you identify security flaws that are difficult to detect with static analysis, such as injection, cross-site scripting, broken authentication, and misconfiguration. However, DAST also comes with some challenges, especially for complex and dynamic applications that have frequent changes, multiple interfaces, and rich functionalities. In this article, you will learn how to overcome some of these challenges and improve your DAST results.

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Amrita Pathak

Cybersecurity Writer | Technical Content Writer & Copywriter for Cybersecurity, Saas, AI, Blockchain |Freelance…
Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author-…
Anthony English

VP Security / CISO

1 Choose the right tools

Choosing the right tools for your application is one of the initial steps to overcoming the difficulties of DAST. There are numerous DAST tools available, but not all are suitable for every scenario. When selecting a DAST tool, you should consider its coverage and accuracy to ensure it can scan all components and features of your application, as well as identify true vulnerabilities and reduce false positives. Additionally, you should check the speed and scalability of the tool to guarantee fast and efficient scans, even for large and complex applications. Lastly, you should look into the integration and automation capabilities of the tool to make sure it can integrate with your development and deployment processes, as well as automate scanning and reporting tasks.

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Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author- Privacy Essential Insights | YouTuber-"PrivacY ProdigY","SparkTechX" |
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1.Understand Your Application Environment:Complexity.Dynamic Nature 2.Identify DAST Challenges:Scalability,Coverage,Accuracy 3.Research Available Tools:Feature Comparison,User Reviews,Vendor Support 4.Consider Integration and Compatibility:Application Compatibility,Integration with CI/CD,Reporting Compatibility 5.Evaluate Performance and Scalability:Performance Testing,Scalability Testing 6.Consider Automation and Customization:Automation Capabilities,Customization Options 7.Assess Cost and ROI:Cost Analysis,Value Proposition 8.Trial and Proof of Concept:Trial Period,Proof of Concept 9.Select and Implement,Decision Making,Implementation. 10.Monitor and Improve:Continuous Improvement

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2 Configure the scan parameters

To overcome the challenges of DAST, you need to configure the scan parameters according to your application's characteristics and requirements. This includes defining the scope and depth of the scan, providing credentials and permissions for the scan to access protected areas, and specifying the expected input and output formats and values for your application. Additionally, you should validate the scan results against these parameters to ensure accuracy.

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Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author- Privacy Essential Insights | YouTuber-"PrivacY ProdigY","SparkTechX" |
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1.Understand the Application:Session Handling 2.Customize Scan Policies:Vulnerability Checks,Exclusions 3.Parameter Manipulation:Parameter Fuzzing,Input Validation 4.Authentication Handling:Credentials:ner ,Session Management 5.Concurrency and Performance:Throttling,Resource Usage 6.Coverage and Depth:Deep Scanning,Form Submission 7.Dynamic Content Handling:AJAX and SinglePage Applications,JavaScript Execution 8.Reporting and Analysis:Report Format 9.Continuous Monitoring and Adjustment:Scan Iterations;Feedback Loop

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3 Handle dynamic content and behavior

One of the most difficult aspects of DAST is handling dynamic content and behavior of web applications, such as JavaScript, AJAX, web sockets, single-page applications, and APIs. These elements can make the application more interactive and responsive, but they can also introduce new vulnerabilities and make scanning more complex. To address this issue, you can use a crawler or proxy to capture and analyze the dynamic requests and responses between the client and the server, as well as generate test cases. Additionally, a browser or headless browser can execute and render dynamic content and behavior, as well as simulate user actions and events on the application. Finally, tools or frameworks that support multiple protocols and formats (e.g. REST, SOAP, JSON, XML) can parse and validate them.

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Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author- Privacy Essential Insights | YouTuber-"PrivacY ProdigY","SparkTechX" |
(已编辑)
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1.JavaScript Rendering:Enable JavaScript Execution 2.Form Submission and Interaction:Automate Form Submission,Handling AJAX Requests 3.Session Handling:Manage Sessions: Session Tokens 4.Content Extraction and Parsing:Dynamic Content Extraction,Content Parsing 5.Input Parameterization:Parameterized Testing,DataDriven Testing 6.Session Management and Cookie Handling:Cookie Handling,Session Management 7.Dynamic URL Handling:URL Rewriting,Parameterized URLs 8.ContentBased Scanning:Content Analysis,Response Validation 9.Iterative Testing and Validation:Iterative Testing,Validation Checks By following these strategies, you can effectively handle dynamic content and behavior during DAST, improving the accuracy and effectiveness of your security.

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4 Review and prioritize the findings

The final step to overcome the challenges of DAST is to review and prioritize the findings from the scan. DAST can produce a large amount of data, but not all of it is relevant or actionable. To review and prioritize the findings, you can use a dashboard or report that summarizes and visualizes them, as well as a rating or scoring system that ranks them according to severity, impact, likelihood, and exploitability. Additionally, you should use a remediation or mitigation plan that provides recommendations and best practices for fixing or reducing the vulnerabilities. Ultimately, while DAST is a powerful technique that can help you improve the security of your web applications, it requires careful planning, execution, and analysis to achieve the best results.

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Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author- Privacy Essential Insights | YouTuber-"PrivacY ProdigY","SparkTechX" |
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1.Review Process: Automation,Manual Review 2.Prioritization Criteria:Severity,Impact,Exploitability,Relevance 3.Risk Assessment:Risk Analysis,Risk Mitigation 4.Technical Complexity:Technical Challenge,Resource Availability 5.Business Impact:Business Criticality,Compliance Requirements 6.Feedback Loop:Continuous Improvement,Feedback Mechanism 7.Collaboration and Communication:Stakeholder Involvement,Clear Communication 8.Mitigation Planning:Actionable Recommendations,Mitigation Plan 9.Continuous Monitoring:PostMitigation Review,Ongoing Scanning By following these steps, you can effectively review and prioritize findings from DAST scans for complex and dynamic applications, ensuring that critical vulnerabilities are addressed promptly.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Amrita Pathak

Cybersecurity Writer | Technical Content Writer & Copywriter for Cybersecurity, Saas, AI, Blockchain |Freelance Technical Writer | LinkedIn Ghostwriter
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Use a reliable, automated DAST scanner to detect vulnerabilities in your web and mobile applications. Benefits: - Faster scans - Fewer false positives - Compliant with regulatory bodies - Better authentication and session management some of the best automated DAST scanners are by Appknox, Synopsys, Rapid7, and Invicti.

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Anthony English

VP Security / CISO
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DAST is a testing technique commonly used in black box testing and it tests the operational security of the web application. DAST cannot test the intricacies of the source code (this is a SAST function) so DAST is not a complete picture of your web app security. The latest generation of security testing tool for web apps is Interactive Application Security testing (IAST) and some of the more advanced testing tools combine DAST, SAST, and IAST to give you a complete view of your web app security profile.

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Sagar Navroop

Data Architect | AI | MLOps | AWS | SIEM | Observability | Technologist
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Runtime Application Self Protection (RASP): It is a runtime application that is integrated into an application, sits on the application server - can help analyze inbound, outbound traffic & end-user behavioral pattern Pros: 1) It runs continuous security checks – helps prevent attacks 2) Has less reliance on peripheral devices like firewalls 3) Can respond to attacks with session termination or alerts 4) Offers code-level visibility for greater protection 5) Provides a log of activity for analysis 6) It is language/platform independent 7) Offers offers better inside view/Contextual aspects Cons: 1) Can be used as security testing tool, only in production 3) It adds an extra overhead - slows down the application performance

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Anil Patil ??"PrivacY ProdigY"??

Referral Partner (OneTrust Solutions) | Privacy Compliance Software-Influencer | LinkedIn Data Privacy Voice | Author- Privacy Essential Insights | YouTuber-"PrivacY ProdigY","SparkTechX" |
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Complexity: Determine the complexity of your application, including its architecture, technologies used, and integration points. Dynamic Nature: Assess how dynamic your application is in terms of content, data flow, and user interactions. 2.Identify DAST Challenges Scalability: Consider if the tool can scale to test large and complex applications effectively. Coverage: Evaluate the tool's ability to provide comprehensive coverage of the application, including all functionalities and components. Accuracy: Assess the tool's accuracy in identifying vulnerabilities and minimizing false positives. 3.Research Available Tools Feature Comparison: Compare features of different DAST tools, focusing on scalability, coverage, and compatibility

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How do you overcome the challenges of DAST for complex and dynamic applications?

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1 Choose the right tools

2 Configure the scan parameters

3 Handle dynamic content and behavior

4 Review and prioritize the findings

5 Here’s what else to consider

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