Xygeni Security Glossary

Software Development & Delivery Security Glossary

What is Application Security Testing

Introduction to Application Security Testing #

Ensuring your software applications are secure is essential, especially with the increasing number of cyber threats. But what is Application Security Testing (AST)? In simple terms, Application Security Testing is the process of identifying security vulnerabilities in software before they can be exploited. Performing an application security assessment helps you spot flaws at every stage of the Software Development Lifecycle (SDLC). By understanding what is AST and integrating it into your development process, you can protect sensitive data, meet security standards, and build applications that users can trust. This approach not only strengthens security but also ensures ongoing compliance with industry requirements. Knowing what is Application Security Testing helps teams anticipate and prevent potential threats effectively.

Definition:

What is Application Security Testing (AST)? #

What is Application Security Testing (AST)? It is the process of identifying and mitigating security vulnerabilities in software applications. This testing is essential to ensure that applications remain secure, reliable, and resilient against cyberattacks. By conducting a thorough application security assessment, organizations can detect flaws throughout the SDLC. Moreover, understanding what is AST helps teams proactively address security issues, comply with industry standards, and protect sensitive data. According to the OWASP Web Security Testing Guide, integrating Application Security Testing into every development stage ensures comprehensive protection against evolving threats. In other words, knowing what is Application Security Testing is key to maintaining a secure software development process.

Definition:

What is an Application Security Assessment? #

An application security assessment is a systematic evaluation of an application’s security posture. To emphasize, this assessment leverages various Application Security Testing techniques — such as Static Application Security Testing (SAST), Interactive Application Security Testing (IAST), and Software Composition Analysis (SCA) — to identify vulnerabilities and provide actionable insights for remediation. Understanding what is AST ensures that organizations can conduct effective application security assessments to identify risks early. Consequently, these assessments help prioritize vulnerabilities and ensure applications are secure before deployment. By performing regular application security assessments, organizations stay ahead of potential threats and achieve ongoing compliance with security standards.

Why is Application Security Testing Important? #

Key Reasons to Implement AST
  • Early Vulnerability Detection: Knowing what is Application Security Testing helps identify security issues during development, thereby reducing the cost of fixes.
  • Regulatory Compliance: Performing an application security assessment ensures compliance with standards like NIST SP 800-204D, OWASP Top 10, and GSA guidelines.
  • Risk Reduction: Understanding what is AST protects against data breaches and cyberattacks by addressing vulnerabilities proactively.
  • Continuous Security: Embedding Application Security Testing throughout the SDLC aligns with DevSecOps practices for ongoing protection.
  • Customer Trust: Demonstrating knowledge of what is Application Security Testing enhances confidence in your software’s security posture.

As Gartner’s AST Buyer’s Guide points out, organizations that adopt comprehensive AST experience a 30% reduction in security incidents. A thorough understanding of what is AST is essential for maintaining robust security in software development.

Types of Application Security Testing Tools #

1. Static Application Security Testing (SAST) Tools #

What is Application Security Testing in the context of SAST? To begin with, SAST tools analyze an application’s source code, bytecode, or binaries without executing the code. Consequently, understanding what is AST and how SAST works helps teams identify vulnerabilities like insecure coding practices, input validation flaws, and hard-coded secrets early in the SDLC. As a result, by leveraging SAST, developers can adopt secure coding practices from the start. According to the OWASP Guide, AST with SAST is particularly effective for catching issues like SQL injection and cross-site scripting (XSS).

Key Benefits of SAST with Xygeni
  • Early Detection: First and foremost, identify vulnerabilities during coding to fix issues immediately.
  • Comprehensive Analysis: Additionally, thoroughly scan entire codebases to uncover hidden flaws.
  • Cost-Effective: Furthermore, reduce remediation costs by addressing issues early.
  • Accurate Scanning: As a result, minimize false positives, reducing noise and improving efficiency.
  • CI/CD Integration: Moreover, automate security checks within CI/CD pipelines for continuous protection.
  • Context-Aware Prioritization: Finally, focus on critical vulnerabilities based on exploitability.

In summary, with Xygeni’s SAST, you secure your applications effectively without slowing down development.

2. Software Composition Analysis (SCA) Tools #

What is AST when it comes to third-party dependencies? In short, Software Composition Analysis (SCA) tools scan libraries and open-source components for known vulnerabilities. Consequently, incorporating Application Security Testing helps manage risks associated with these dependencies. By performing an application security assessment with SCA, you ensure compliance with open-source licensing and security requirements. Notably, the Gartner Guide underscores the importance of SCA in securing the software supply chain.

Key Benefits of SCA with Xygeni
  • Dependency Security: To start, identify and manage vulnerable libraries to prevent third-party risks.
  • Compliance: Additionally, ensure proper use of open-source licenses, avoiding legal issues.
  • Continuous Monitoring: Furthermore, block malicious packages in real time, protecting against emerging threats, especially as malware in open-source packages surged by 245% in 2023.
  • Real-Time Protection: As a result, continuously block malicious dependencies before they infiltrate your supply chain.
  • CI/CD Integration: Moreover, automate dependency checks within CI/CD pipelines for seamless security.
  • SBOM Generation: Finally, create detailed Software Bills of Materials (SBOMs) for transparency and compliance.

In conclusion, Xygeni’s SCA keeps your software secure, compliant, and resilient against supply chain threats.

3. Interactive Application Security Testing (IAST) Tools #

What is IAST? Interactive Application Security Testing (IAST) combines static and dynamic analysis to evaluate applications during execution. Understanding what is AST in the context of IAST helps teams detect vulnerabilities in real time. This approach to AST provides immediate feedback, making it ideal for agile and DevOps environments. Effective use of AST with IAST ensures comprehensive protection during the SDLC.

Key Benefits of IAST with Xygeni

Xygeni’s IAST solution provides real-time, accurate vulnerability detection during application execution.

  • Real-Time Insights: Detect vulnerabilities as the application runs, offering immediate feedback.
  • Comprehensive Analysis: Combines static and dynamic testing to ensure no vulnerability is missed.
  • Low False Positives: Context-aware analysis improves accuracy, reducing false positives.
  • Integrated Testing: Seamlessly blends static and runtime analysis for deeper detection.
  • Live Monitoring: Continuously tracks application behavior to catch issues in real time.
  • Detailed Remediation: Delivers actionable guidance for quick and efficient fixes.

Xygeni’s IAST ensures thorough and efficient security, keeping your applications resilient.

Why Choose Xygeni for Application Security Testing? #

  • Comprehensive Coverage: Above all, Xygeni offers SAST, SCA, and IAST for complete Application Security Testing, covering all stages of the development lifecycle.
  • Context-Aware Security: Additionally, it prioritizes vulnerabilities based on real business impact, helping you focus on the most critical risks.
  • Noise Reduction: Moreover, it reduces false positives by up to 60%, minimizing distractions for security teams and improving efficiency.
  • Seamless CI/CD Integration: Consequently, Xygeni automates security checks throughout your pipelines, ensuring continuous protection and smooth DevSecOps workflows.

Enhance Your Application Security with Xygeni #

Secure Your Applications from Development to Deployment

To clarify, by understanding what is Application Security Testing and conducting regular application security assessments, you can maintain secure and compliant applications. Furthermore, Xygeni’s Application Security Testing (AST) solutions—including SAST, SCA, and IAST—streamline vulnerability detection, reduce alert fatigue, and protect your software supply chain.

In particular, integrating what is AST into your CI/CD pipelines ensures continuous security, compliance with standards like NIST SP 800-204D, and protection against evolving threats. Therefore, adopting Xygeni’s AST solutions helps you stay ahead of potential vulnerabilities and security breaches.

👉 Book a Demo Today to experience how Xygeni’s solutions can elevate your security posture and safeguard your development processes.

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