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Code Scanning Tools: Improve Application Security and Quality

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Security is becoming a bigger part of the QA process, but adoption is still uneven. According to the 4th edition of TestRail’s Software Testing and Quality Report, 29% of teams use vulnerability scanners to catch issues before deployment, and only 23% leverage static application security testing (SAST) to find code-level vulnerabilities earlier. That gap signals an opportunity: integrating tools like SAST into development pipelines can strengthen security without slowing delivery.

Code Scanning Tools: Improve Application Security and Quality AD 4nXcnJ3leM0WGIqGAIpCNq4sMOn

And the stakes are high. One recent industry report found that 81% of commercial codebases contained high- or critical-risk issues. Another study showed that 74% of commercial applications used open source components with high-risk vulnerabilities. This means that skipping scans is a widespread risk hiding in plain sight.

Here, we’ll examine code scanning tools and how to incorporate them into your process so that you can be confident that your software releases are free of vulnerabilities.

What are code scanning tools?

Code scanning tools are specialized solutions that analyze your applications for security flaws, misconfigurations, and code quality issues before vulnerabilities reach production. 

They help development and security teams detect threats like SQL injection, cross-site scripting (XSS), and insecure dependencies by examining source code and how applications behave in real time. These tools are designed to work within DevOps pipelines so that secure coding is part of the software development lifecycle (SDLC).

Types of code scanning tools

There are several code scanning methods, each targeting different layers of risk:

Static Application Security Testing (SAST)

SAST tools perform static code analysis to analyze source code or binaries without executing the application. They trace data flows, check logic, and flag issues such as hardcoded credentials, insecure APIs, or unsafe function calls. Because they don’t require a live app, they’re ideal for early-stage detection during development.

Dynamic Application Security Testing (DAST)

DAST tools run against a live version of the application, simulating attacks (like SQL injection or authentication bypass) to find vulnerabilities during runtime. They provide context on how real-world exploits could play out, making them valuable for catching issues SAST might miss.

Software Composition Analysis (SCA)

Many applications rely on open-source packages and third-party libraries. SCA tools analyze these dependencies for vulnerabilities and licensing risks (which, as we noted earlier, many applications contain). SCA adds essential visibility into this increasingly critical threat surface.

How code scanning tools fit into DevOps workflows

Code scanning platforms are built for automation, speed, and integration. Common touchpoints include:

  • CI/CD Pipelines: Trigger scans automatically on each build or deployment to catch vulnerabilities early.
  • IDEs: Provide developers real-time feedback while writing code, encouraging secure practices.
  • Git-Based Repositories: Scan pull requests within GitHub, GitLab, or Bitbucket to flag risks before merging code.
  • CLI and APIs: Allow for custom integrations and automation across larger engineering workflows.

Benefits of using code scanning tools

Software development moves fast, and security needs to be included in the mix. As attack surfaces expand and codebases grow more complex, code scanning tools offer a crucial line of defense. They help teams identify vulnerabilities early, uphold coding standards, and maintain code quality throughout the development workflow so that security is a checkpoint instead of a chokepoint.

Stronger security

The earlier a vulnerability is caught, the easier and cheaper it is to fix. Code scanning tools identify issues like hardcoded secrets, insecure function calls, or flawed access controls before code reaches production. This minimizes exposure and accelerates remediation across teams and projects.

Faster code reviews

Manual reviews are vital but limited in scope and speed. Code scanning tools automate the identification of repetitive and high-risk issues, streamlining the code review process. Integrated into your CI/CD pipeline, they ensure that every build is evaluated with consistency and precision without slowing delivery.

Better code quality and maintainability

High-performing teams know that good security starts with clean, maintainable code. These tools reinforce coding standards, flag performance bottlenecks, and highlight risky patterns that degrade long-term maintainability. In doing so, they enable teams to build not just secure code, but better code.

Adherence to compliance and security standards

Whether you’re aligning with OWASP, MISRA, PCI DSS, or internal policies, code scanning tools help enforce consistent standards. Centralized dashboards and transparent reporting make it easier for security and compliance teams to track progress, demonstrate alignment, and prepare for audits.

Promotes security across teams

As organizations grow, so do their codebases and team structure complexity. Code scanning tools scale with you to bring consistent policies, real-time feedback, and intelligent prioritization to even the largest engineering orgs. They allow security to become part of the culture, not just a task.

…But, be mindful of the limitations of code scanning tools

Code scanning tools are powerful, but not perfect. Some may generate false positives or struggle with incomplete projects due to missing binaries or tightly coupled dependencies. Others may miss issues that only appear at runtime. Knowing these boundaries helps pair scanning tools with manual review and dynamic testing for full coverage.

What to look for in a code scanning tool

Choosing the right code scanning tool means balancing technical depth with practical usability. While security and accuracy are non-negotiable, the best tools fit effortlessly into your daily routine to support velocity, not slow it down. Here are the features that matter most.

Easy setup and usable interface

Your tool should be easy to adopt without sacrificing power. Look for a clean interface, straightforward configuration, and support for common IDEs like Visual Studio. Tools that offer native plugins and contextual assistance lower the barrier to entry and improve adoption across teams.

Integration with DevOps toolchains

A modern tool should integrate smoothly with your existing development workflow. Top DevOps solutions support CI/CD pipelines, version control platforms like GitHub, GitLab, and Bitbucket, and cloud environments like Azure. Whether triggered by a pull request or embedded in a CLI script, your scanning process should be visible and continuous.

Standards and frameworks enforcement

Enforcing internal guidelines and industry frameworks like OWASP or NIS is easier with a scanner that supports rule customization and centralized policy management. Integration with repositories and permissions systems helps enforce coding standards at every stage.

Actionable reporting and dashboards

The value of scanning lies not just in detection but in a clear, structured response. Look for tools that provide customizable dashboards, issue-level metrics, and role-specific views for developers, security leads, and compliance teams. The best tools help you prioritize what to fix.

Feedback and insights

Tools that offer real-time feedback inside the IDE or during pull requests empower developers to fix issues before they snowball. Advanced platforms leverage pattern recognition to detect anomalies faster and adapt scanning recommendations to your team’s habits.

Support for automation and scaling

As your engineering org grows, so should your scanning capabilities. Look for tools with native support for automation frameworks (like GitHub Actions), along with flexible API access and command-line (CLI) extensibility so you can integrate scanning into your workflows.

Popular code scanning tools: A brief comparison

The landscape of code scanning tools is broad and fast-evolving, spanning from lightweight open-source utilities to enterprise-grade platforms tailored for compliance-heavy environments. Choosing the right tool depends on your team’s goals, tech stack, and the level of security and governance your organization requires.

Some tools prioritize seamless integration with platforms like GitHub. Others focus on rigorous static analysis, OWASP or MISRA compliance, or software supply chain security. Whether you’re scanning every pull request in a startup monorepo or auditing mission-critical aerospace systems, there’s a tool built to match.

Best practices for getting the most from code scanning tools

No matter your chosen tool, its impact depends on how well it’s implemented and adopted. Code scanning requires thoughtful integration, team buy-in, and ongoing refinement to deliver real security gains. Here’s how to make the most of your investment:

Integrate early

Embed scanning into your CI/CD pipelines so issues are caught before they reach production. The goal is to shift security left so that you’re closer to where code is written and remediation becomes part of the routine, rather than a last-minute scramble.

Customize to reduce false positives

Out-of-the-box settings can create excessive noise. Tuning your rulesets to match your tech stack, risk tolerance, and coding standards helps reduce false positives and keeps teams focused on real issues. Don’t be afraid to iterate‚ustomization is key to long-term value.

Educate and empower development teams

Even the most advanced tools won’t help without adoption. Ensure your development teams understand how to interpret scan results, fix issues efficiently, and recognize patterns over time. Training, documentation, and tight feedback loops are essential.

Don’t overlook the supply chain

Many vulnerabilities come from third-party libraries, not your own code. Use secret detection tools and dependency scanners to monitor your supply chain. Securing your code means securing the ecosystem it depends on.

Promote a culture of secure code

Ultimately, code scanning is part of a larger effort: to build and maintain secure code as a standard, not an exception. Reinforce this by celebrating improvements, tracking metrics, and making secure practices part of your company values, not just your checklists.

Build better, safer software with code scanning tools

In today’s development landscape, the cost of ignoring vulnerabilities far outweighs the effort it takes to prevent them. Code scanning tools are essential for maintaining code quality, enforcing standards, and enabling developers to build secure software.

When integrated early in the SDLC, these tools reduce risk, speed up remediation, and support long-term excellence. As DevSecOps practices mature, scanning becomes more than a safeguard: it’s a strategic advantage.

Kiuwan was built with this in mind. If you’re ready to take the next step toward scalable, automated code security, request a free demo and explore how Kiuwan can help.

Frequently asked questions about code scanning tools

What’s the difference between SAST, DAST, and SCA?

SAST (Static Application Security Testing) analyzes source code or binaries without executing them. DAST (Dynamic Application Security Testing) tests running applications in real time. SCA (Software Composition Analysis) scans third-party dependencies for known vulnerabilities and licensing risks.

Do code scanning tools slow down development?

Not when properly integrated. In fact, scanning tools improve velocity by catching issues early, reducing rework, and preventing delays later in the lifecycle.

How accurate are code scanning tools?

Most tools are highly accurate with configurable rulesets, though some false positives are expected. Fine-tuning scan configurations and adding human review where needed helps maintain signal-to-noise balance.

Can I use code scanning tools with multiple programming languages?

Yes. Tools like Kiuwan support various programming languages and frameworks, making them ideal for polyglot codebases.

How do code scanning tools handle open-source components?

SCA tools analyze open-source libraries and packages for known vulnerabilities, outdated versions, and license risks—helping you secure your software supply chain.

Are code scanning tools useful only for small teams or enterprises?

They’re valuable for teams of any size. Smaller teams benefit from automation and visibility, while larger organizations can scale consistent policies across multiple teams and applications.

What should I look for when evaluating a code scanning tool?

Look for easy integration with your existing tools and processes (such as GitHub, Azure DevOps, CLI, etc.), customizable rulesets, real-time feedback, support for compliance standards like OWASP or MISRA, and clear, actionable reporting.

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