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What is Application Security Testing?

Application Security Testing (AST) is a crucial process in ensuring the security of web applications throughout their development lifecycle. It involves identifying, analyzing, and mitigating vulnerabilities in software before they are exploited by attackers. AST encompasses various methodologies, including Static Application Security Testing (SAST), Dynamic Application Security Testing (DAST), and Interactive Application Security Testing (IAST).

SAST analyzes source code for vulnerabilities without executing the code, enabling developers to catch issues early during the coding phase. Conversely, DAST tests running applications to identify vulnerabilities that can be exploited in real-time, providing insights into how the application behaves during typical user interaction. IAST combines both approaches, allowing for comprehensive testing while the application is running and delivering real-time feedback to developers.

Regular application security testing is crucial in maintaining compliance with security standards and regulations. It promotes secure coding practices and helps organizations protect sensitive data, thus minimizing the risk of breaches and ensuring the overall integrity of web applications. By integrating AST into the software development lifecycle (SDLC), businesses can build more secure applications and maintain user trust.

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