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Rhymes with 'fast'.
A testing platform that probes running web applications and APIs from the outside by sending crafted requests to discover vulnerabilities like injection flaws, authentication bypasses, and configuration errors. DAST requires no access to source code, testing the application as an attacker would. Modern DAST platforms support REST and GraphQL APIs, single-page applications, and authenticated scanning.
DAST finds vulnerabilities that static analysis misses because it tests actual runtime behavior. Security engineers integrate DAST into CI/CD pipelines and pre-production testing. Penetration testers use DAST tools as part of their testing methodology. Understanding the strengths and limitations of DAST versus SAST and IAST is a core application security competency.
Looking for the acronym? Read about DAST in the cybersecurity acronym decoder
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6 public surfaces on the platform reference this term in a meaningful way. Sorted by relevance.
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Related glossary entries · 5
Other glossary terms whose definition cites this one.
"Dynamic Application Security Testing probes running applications for vulnerabilities by sending…"
"…nt approaches: SAST analyzes source code without execution, DAST tests running applications from the outside, IAST combines…"
"…e problem that plagues SAST and the coverage limitations of DAST by observing actual application behavior. Security engineer…"
"…Application Security Testing combines elements of SAST and DAST by instrumenting the application from within during runtime…"
"…d deployment pipelines. DevSecOps engineers configure SAST, DAST, SCA, and container scanning in CI/CD systems, build securi…"
A testing platform that probes running web applications and APIs from the outside by sending crafted requests to discover vulnerabilities like injection flaws, authentication bypasses, and configuration errors. DAST requires no access to source code, testing the application as an attacker would. Modern DAST platforms support REST and GraphQL APIs, single-page applications, and authenticated scanning.
DAST finds vulnerabilities that static analysis misses because it tests actual runtime behavior. Security engineers integrate DAST into CI/CD pipelines and pre-production testing. Penetration testers use DAST tools as part of their testing methodology. Understanding the strengths and limitations of DAST versus SAST and IAST is a core application security competency.
Cybersecurity professionals who work with Dynamic Application Security Testing include Penetration Tester, Security Engineer. These roles apply Dynamic Application Security Testing knowledge within the Security Products & Platforms domain.
Definitions are original explanations written for career development purposes. For authoritative technical definitions, refer to NIST, ISO, or the relevant standards body.
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