--- title: SAST vs SCA: Key Differences for AppSec Teams | daily.dev description: SAST and SCA are complementary application security tools that cover different attack surfaces. SAST analyzes proprietary source code for vulnerabilities like... canonical: https://daily.dev/posts/sast-vs-sca-key-differences-for-appsec-teams-1l39dv6ra twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: SAST vs SCA: Key Differences for AppSec Teams | daily.dev og:description: SAST and SCA are complementary application security tools that cover different attack surfaces. SAST analyzes proprietary source code for vulnerabilities like... og:url: https://daily.dev/posts/sast-vs-sca-key-differences-for-appsec-teams-1l39dv6ra og:image: https://api.daily.dev/og/posts/1l39Dv6RA.png og:image:alt: SAST vs SCA: Key Differences for AppSec Teams og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # SAST vs SCA: Key Differences for AppSec Teams **[Orca Security Blog](https://daily.dev/sources/orca-security-blog)** · 14 min read · 0 upvotes · 0 comments ## Summary SAST and SCA are complementary application security tools that cover different attack surfaces. SAST analyzes proprietary source code for vulnerabilities like SQL injection, XSS, and insecure cryptography using static analysis and taint tracking. SCA inventories third-party and open-source dependencies, matching them against CVE databases for known vulnerabilities, license risks, and SBOM requirements. The two tools rarely overlap — SAST catches custom code flaws while SCA catches inherited dependency risk. DAST adds runtime validation by testing deployed applications. Most production applications need all three at different pipeline stages: SAST and SCA during pull requests and builds, DAST against deployed environments. The post also covers how cloud deployment context (via Orca Security) can further prioritize findings based on internet exposure, IAM permissions, and asset criticality. ## Full article daily.dev links to this article rather than hosting it. 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