A single release can introduce two very different risks: a coding flaw that creates a potential injection point, and a vulnerable open-source dependency that exposes your system to attackers. Traditional QA won’t catch either — but attackers will.
That’s why modern AppSec programs rely on Static Application Security Testing (SAST) to analyze proprietary code and Software Composition Analysis (SCA) to uncover issues in third-party components. Used together, they provide critical coverage across the SDLC.
Let’s explore how SAST and SCA work together to protect your software development lifecycle (SDLC) and break down the steps and best practices for properly implementing them.
Key highlights:
- SAST and SCA close complementary gaps by detecting vulnerabilities in both proprietary code and third-party dependencies, giving teams fuller coverage across the SDLC.
- Proper integration is critical to success, helping organizations minimize false positives, avoid CI/CD slowdowns, and ensure results are actionable.
- Embedding scans into developer workflows — IDEs, pull requests, and team-level ownership — accelerates remediation and drives stronger adoption.
- Cycode elevates SAST and SCA with AI-powered prioritization, unified reporting, and the flexibility to use native or existing tools.
What Is Software Composition Analysis (SCA)?
Software composition analysis is the practice of scanning open-source libraries and third-party packages within your codebase to identify vulnerabilities, licensing risks, and outdated components. It gives teams a clear inventory of what dependencies they’re using and whether those dependencies are safe.
Because today’s applications often contain more open-source code than proprietary code, SCA plays a critical role in reducing supply chain risk. It not only detects known vulnerabilities but also provides visibility into transitive dependencies, helps generate SBOMs for compliance, and ensures teams can patch issues before attackers exploit them.
What Is Static Application Security Testing (SAST)?
Static application security testing analyzes proprietary source code, bytecode, or binaries to identify security flaws before an application runs. Unlike QA tests that check functionality, SAST reviews the code itself to uncover issues like SQL injection, cross-site scripting, or hardcoded secrets.
Because it runs early in the development process, SAST enables developers to catch and remediate vulnerabilities before code reaches production. This reduces costs, prevents regressions, and helps teams build security into their workflows rather than bolting it on later. When combined with SCA, it ensures both your custom code and your dependencies are thoroughly protected.
How SAST and SCA Tools Complement Each Other
As we’ve just explored, SAST and SCA target different parts of the security landscape: one reviews your proprietary code, the other secures third-party components. But, when combined, they provide complete coverage across the SDLC.
The table below shows how each tool contributes individually, and how SCA and SAST work together to deliver stronger protection.
Security Aspect | How SCA Works | How SAST Works | How These Tools Work Together |
Development Phase Focus | Analyzes external libraries and dependencies. | Examines in-house code during development. | Covers both custom code and third-party risk. |
Code Analysis | Maps package versions and licenses. | Reviews syntax, structure, and logic flaws. | Provides a holistic view of code health. |
Vulnerability Detection | Flags known CVEs in dependencies. | Identifies coding errors and insecure patterns. | Detects both external and internal weaknesses. |
Risk Management | Highlights outdated or risky components. | Prioritizes exploitable flaws in source code. | Enables smarter prioritization across attack surfaces. |
Compliance | Generates SBOMs, tracks license risks. | Ensures secure coding practices are followed. | Supports audits with comprehensive evidence. |
Benefits of Adopting SCA Tools and SAST into Your Development Process
It’s important to clarify that adopting both SAST and SCA isn’t just about “covering more ground.” When applied together, these tools help teams reduce risk, improve developer productivity, and even strengthen compliance.
Let’s explore these benefits in more detail.
Reduced Security Gaps
Combining SAST and SCA gives teams visibility into how vulnerabilities interact across the software supply chain. For example, a coding flaw might only be exploitable when paired with an outdated library — something a single tool could miss. Using both reduces blind spots, prevents chained exploits, and gives security teams confidence that high-impact risks won’t slip through unnoticed.
Increased Shift-Left Integration
By embedding security checks early in the SDLC, teams can spot vulnerabilities before they reach testing or production. SAST runs directly on source code, while SCA monitors dependencies from the start. This shift-left approach improves remediation speed, reduces rework costs, and enables developers to fix issues in their normal workflows.
Better Legal Risk Mitigation
Beyond security, SCA tools help organizations stay compliant with open-source licensing obligations. Combined with SAST’s ability to enforce secure coding standards, teams can mitigate both technical and legal risks. This reduces exposure to lawsuits, audit failures, and regulatory fines, all risks that can be as damaging as security incidents themselves.
Boosted Operational Efficiency
Security tools that integrate seamlessly into CI/CD pipelines minimize bottlenecks for development teams. With SAST and SCA working in tandem, organizations can automate detection, triage results more effectively, and prioritize remediation. The result? Stronger security that frees developers to focus on building features instead of firefighting.
Integrating SCA and SAST in SDLC Workflows: Key Steps
It’s not enough to simply adopt SAST and SCA tools. They need to be integrated into your SDLC in a way that enhances security without slowing down development.
Done poorly, scans can introduce developer friction, create bottlenecks in CI/CD pipelines, and flood teams with false positives. Done well, they provide continuous visibility, actionable insights, and faster remediation.
Below are the key steps to ensure integration is effective and sustainable.
-
Choose and Configure the Right Tools
The first step is selecting tools that align with your development environment and security priorities. For many teams, this means evaluating SAST products and SCA solutions not just for detection accuracy, but also for their ability to integrate with IDEs, pull requests, and CI/CD platforms.
Once you’ve selected your tools, focus on configuration tasks that ensure they provide meaningful, actionable results:
- Configure rulesets to match your application stack and internal security standards.
- Decide whether to use native scanners (like Cycode’s) or plug in existing third-party tools.
- Tune sensitivity levels to reduce false positives, ensuring developers trust scan results.
Proper configuration upfront sets the foundation for meaningful adoption, avoiding wasted cycles on irrelevant alerts.
-
Implement Phased Pipeline Integration
Rolling out SAST and SCA across the entire pipeline at once can overwhelm both developers and security teams. Instead, start with a phased approach:
- Begin by running scans on pull requests or small subsets of the codebase.
- Gradually expand to full builds and production releases once workflows are stable.
- Use incremental scanning techniques to minimize performance impact on CI/CD.
This phased integration allows teams to validate scan accuracy, fine-tune policies, and gain developer buy-in before scaling. With platforms like Cycode, you can centralize and normalize results even when using multiple scanners, making the expansion process smoother.
-
Automate Security Workflows
Manual scanning is unsustainable, especially as codebases and dependency trees grow. To scale effectively, SAST and SCA must be automated across the SDLC. This requires embedding scans into existing workflows so developers don’t have to remember to run them. Instead, they simply happen in the background.
Key automation steps include:
- Scheduling scans to run automatically at critical stages such as commit, build, and pre-deployment.
- Enforcing policies that block merges when high-severity vulnerabilities are detected.
- Integrating results into ticketing systems so issues flow into existing developer backlogs.
Bonus: Platforms like Cycode extend this value by correlating findings across multiple tools, prioritizing issues that truly matter, and reducing the alert fatigue that can otherwise derail developer productivity.
-
Establish Remediation Processes
Detection alone isn’t enough. Teams need clear remediation workflows to ensure vulnerabilities are consistently fixed. Without them, issues pile up, deadlines slip, and trust in the tools erodes.
A strong remediation strategy should include:
- Defining ownership rules so each vulnerability is assigned to the right developer or team.
- Providing remediation guidance such as safer dependency versions or specific code fix recommendations.
- Setting SLAs based on severity to ensure critical flaws are addressed quickly.
When remediation is structured and predictable, developers spend less time guessing what to do and more time resolving issues. Cycode strengthens this process by embedding contextual fix suggestions directly in pull requests and IDEs, enabling teams to resolve problems without disrupting their normal workflow.
-
Measure and Optimize
Integrating SAST and SCA is an ongoing cycle of improvement. But, by measuring effectiveness and refining workflows, teams can continuously raise their security maturity.
Core optimization practices include:
- Measuring metrics such as scan frequency, false positive rates, time-to-remediate, and SLA compliance.
- Comparing results across teams or projects to highlight bottlenecks and opportunities for improvement.
- Adjusting scanning schedules, rulesets, and workflows based on performance data.
These insights transform scanning from a checkbox exercise into a strategic advantage. With Cycode, organizations can centralize results from both native and third-party tools into unified reports, making it easier to track trends, prove ROI, and demonstrate compliance.
Best Practices for Incorporating SCA Scanning and SAST into the SDLC
Following the right steps gets SAST and SCA into your workflows, but long-term success depends on how you manage them day to day. The following checklist of best practices will help ensure these tools deliver real value without disrupting development speed or team productivity.
Prioritize Developer-Friendly Integration
Security that feels bolted on rarely succeeds. Integrate scanning into the tools developers already use, such as IDEs and pull requests, to provide feedback in context. Shortening feedback loops makes remediation faster and reduces frustration.
The bottom line: If scans create delays or noise, adoption drops. That means developer experience must be treated as a first-class priority.
Assign Security Leads within Your Dev Team
Assigning security responsibility to one or more developers on each team ensures findings don’t get lost in the shuffle. These leads act as the bridge between AppSec and engineering, helping tune rulesets, triage alerts, and enforce remediation SLAs. Without clear ownership, vulnerabilities often linger until they become urgent problems.
Develop a Clear Vulnerability Response Plan
Discovery is only step one. Define how vulnerabilities will be handled across different severity levels:
- Who fixes them (developer, security engineer, external vendor).
- When they must be fixed (severity-based SLAs).
- Where they are tracked (ticketing systems, dashboards).
A documented plan ensures consistent action, prevents miscommunication, and keeps security incidents from escalating into production breaches.
Align Security Findings with Compliance Requirements
Regulatory frameworks increasingly demand visibility into application security practices. Map SAST and SCA results to compliance obligations such as SBOM generation, OWASP Top 10, or industry-specific standards. By aligning findings with compliance, teams can demonstrate due diligence during audits and reduce the overhead of preparing evidence at the last minute.
Continuously Tune and Calibrate Scans
Out-of-the-box rulesets often generate excessive false positives or miss context-specific risks. Regularly review scan results and adjust policies based on your environment, codebase, and business priorities. Incremental improvements keep signal-to-noise ratios high and ensure findings remain actionable. Without tuning, even the best tools can become a source of alert fatigue.
Why Cycode Is One of the Best SAST Solutions for Your Organization
Cycode brings together the strengths of SAST and SCA in a unified, AI-native platform that adapts to the way your teams already build software. Whether you want to use Cycode’s proprietary scanners or integrate existing tools, the platform provides the flexibility and context you need to secure your SDLC.
- Native proprietary scanners for SAST, SCA, secrets, IaC, and more.
- Integrations with third-party scanners, consolidating results into a single view.
- AI-powered prioritization to cut false positives and focus on exploitable risks.
- Developer-first workflows with IDE, PR, and CI/CD integration.
- Unified reporting and compliance features, including SBOM generation and audit support.
Book a demo today and discover why Cycode is the top SAST and SCA solution for protecting your existing SDLC workflow.