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19/08/2026 3:32 pm
TL;DR: Snyk argues that relying on only SAST or only DAST leaves application teams with blind spots across code and runtime, especially where hardcoded secrets, misconfigurations, and injection flaws emerge at different stages of the lifecycle, according to Probely. The practical issue is not tool coverage alone, but whether findings are prioritised and remediated fast enough to reduce residual risk, according to Snyk.
NHIMG editorial — based on content published by Probely: Unified Security: Protecting Applications with SAST and DAST
By the numbers:
- When AWS credentials are exposed publicly, attackers attempt access within an average of 17 minutes and as quickly as 9 minutes in some cases.
Questions worth separating out
Q: How should teams combine SAST and DAST in a secure development programme?
A: Use SAST to catch insecure code patterns early and DAST to confirm how the running application behaves under attack conditions.
Q: Why do applications still leak risk when only one testing method is used?
A: Because static tools see code structure, while dynamic tools see runtime behaviour.
Q: What do teams get wrong about hardcoded secrets in application code?
A: They often treat hardcoded secrets as a coding mistake alone, when they are also an identity control failure.
Practitioner guidance
- Map SAST findings to code ownership and release gates Route hardcoded secrets, unsafe patterns, and insecure dependencies to the team that can fix the source before merge or deployment.
- Use DAST to validate exploitability before production promotion Run dynamic tests against production-like environments so misconfigurations, injection paths, and response leaks are tested under live conditions.
- Treat secrets inside code as NHI assets Inventory tokens, keys, and certificates found in source repositories and connect them to lifecycle controls such as rotation, revocation, and ownership.
What's in the full article
Probely's full article covers the operational detail this post intentionally leaves for the source:
- How the vendor positions SAST and DAST across the application lifecycle, including where each test type fits in the workflow
- Examples of vulnerability classes that are better detected at code level versus runtime, with application security context
- The vendor's explanation of faster remediation benefits when testing is embedded into CI/CD processes
- The specific product framing around Snyk's API, web, and code capabilities, which this post does not evaluate
👉 Read Probely's analysis of how SAST and DAST work together for application security →
SAST and DAST together: what teams still miss in app security?
Explore further
19/08/2026 4:14 pm
SAST and DAST solve different halves of the same risk problem: static testing identifies vulnerabilities before release, while dynamic testing shows whether those weaknesses are actually exploitable in a live environment. Treating either one as sufficient creates a blind spot that attackers can exploit. For application security teams, the practical conclusion is to align code findings, runtime validation, and remediation ownership into one workflow.
A question worth separating out:
Q: How do you know if application security scanning is actually working?
A: Look for shorter time to remediation, lower false positive rates, and findings that consistently map to fixed issues in release pipelines. If alerts keep recurring with no ownership changes, the scanner is producing visibility without governance. Working scanning changes behaviour, not just dashboards.
👉 Read our full editorial: SAST and DAST together close application security blind spots
