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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →DevSecOps integrates security into the way software is designed, built, tested, released, and operated. It makes security a shared, continuous part of software delivery rather than a review left until the end, helping teams find and fix weaknesses while also protecting the systems and dependencies that produce each release.
What DevSecOps means
DevSecOps combines development, security, and operations practices so teams can deliver software frequently without treating security as a separate, final checkpoint. NIST’s National Cybersecurity Center of Excellence describes security as a fundamental component of the DevOps model. In practice, that means security requirements, automated checks, access controls, and operational feedback are part of the delivery process from the start.
The scope is broader than scanning application code. It includes planning and development; automated builds and tests; packaging and distribution; release and deployment management; and monitoring and vulnerability management after release. Teams share responsibility for those activities, while automation makes routine checks repeatable.
NIST’s Secure Software Development Framework (SSDF), published as SP 800-218 in 2022, is a useful baseline for this work. It sets out high-level practices that organizations can integrate into an existing software development life cycle rather than requiring them to adopt one prescribed process. NIST says those practices should help producers reduce vulnerabilities in released software, limit the potential impact of vulnerabilities that remain undetected or unaddressed, and address root causes to prevent recurrence.
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How DevSecOps differs from DevOps
DevOps emphasizes collaboration and automation between development and operations to improve delivery and feedback. DevSecOps keeps those goals and makes security an explicit part of the same system. It is not simply DevOps with a security scanner added: security has to influence decisions, controls, and evidence throughout the lifecycle.
| Aspect | DevOps | DevSecOps |
|---|---|---|
| Shared work | Development and operations collaborate on building and running software. | Development, security, and operations share responsibility for secure delivery and operation. |
| Automation | Automates software build, test, release, and deployment workflows. | Includes those workflows and automates appropriate security checks and controls within them. |
| Feedback | Uses rapid feedback to improve software and operations. | Also feeds security findings from code, dependencies, builds, releases, and production back into engineering work. |
| Release evidence | Tracks delivery and operational information. | Also produces security-relevant records, such as test results and artifact provenance, to inform release decisions and later investigation. |
Why DevSecOps matters for secure delivery
A security review performed only near release can reveal important issues when schedules leave little room to fix them. DevSecOps moves suitable checks closer to the work that introduces risk, while retaining controls at release and during operation. Earlier feedback can make findings easier to investigate in context, but early checks alone are not enough.
- It helps reduce vulnerabilities before release. Repeatable checks can identify weaknesses in code, dependencies, configuration, and packaged software while a team can still act on the findings.
- It limits the reach of a breach in the delivery process. Strong identity, authorization, isolation, and validation controls protect source repositories, build systems, registries, deployment credentials, and production environments.
- It addresses more than application code. A release depends on third-party packages, build tools, CI runners, configuration, and distribution systems. Weakness or compromise in any of these can affect the software that reaches users.
- It creates evidence for decisions and response. Logs, test results, alerts, and records of where an artifact came from help teams decide whether to promote a release and investigate problems afterward.
- It supports learning from operational findings. Vulnerabilities discovered after deployment can inform remediation and improvements to development and pipeline controls.
NIST’s software-supply-chain guidance frames secure development as a lifecycle concern: reduce vulnerabilities in released software, mitigate the possible impact of issues that were not addressed, and correct root causes to help prevent future recurrence. DevSecOps provides a way to put that intent into everyday delivery practices; it does not guarantee that software will be vulnerability-free.
How security fits into a CI/CD pipeline
A CI/CD pipeline automates steps that build, test, release, and deploy software or other system artifacts. NIST SP 800-204D, published in February 2024, treats cloud-native DevSecOps pipelines as a software supply chain: source moves through build, test, package, and deploy stages, with automated systems and evidence connecting them. A practical lifecycle looks like this:
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- Plan and design: Identify security requirements, threat assumptions, data classifications, and acceptable risk before implementation decisions become difficult to change.
- Code: Apply secure coding guidance, peer review, branch protections, and controls that keep secrets out of source code. Give developers useful feedback close to the change that triggered it.
- Build: Run builds in controlled, isolated environments. Restrict runner permissions, use least-privilege identities, and manage dependencies deliberately, including pinning them where appropriate. Use reproducible or attestable build processes when feasible.
- Test: Automate security checks suited to the software and its risk, such as static analysis, dependency and license checks, infrastructure-as-code analysis, container checks, and dynamic testing. Define which findings block promotion and who can resolve or approve exceptions.
- Package and distribute: Record artifact provenance, protect registries, and sign or attest artifacts where the process supports it. Validate packages before promoting them to later environments.
- Deploy and operate: Authenticate and authorize pipeline interactions, monitor deployed services, respond to new vulnerability information, and route relevant findings back to engineering.
Protect the pipeline as well as the application
The pipeline is itself a security-sensitive system. A malicious or misconfigured change to a source repository, build runner, dependency, registry, or deployment credential can undermine checks or alter an artifact. NIST SP 800-204D’s reference model emphasizes that pipeline interactions should be authenticated and authorized, and that they should be continually validated against strict policies.
Apply that principle at trust boundaries: control who and what can trigger a build, limit what each automation identity can access, isolate jobs that should not share permissions, protect stored credentials, and restrict who can publish or promote artifacts. Make policy checks and exceptions visible rather than relying on undocumented manual steps. Preserve useful notifications, alerts, logs, and test records as evidence passed between stages.
For organizations that supply software, CISA’s supplier guidance also highlights responsibilities beyond running internal scans: maintain the integrity of securely delivered software, validate packages and updates, stay aware of known vulnerabilities, and accept customer reports so issues can be routed to developers for remediation.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What tools belong in a DevSecOps pipeline?
There is no single required DevSecOps toolset. Choose tools that fit the existing source-control, CI/CD, cloud, and deployment stack, and that produce findings teams can act on. A tool category is useful only when its checks, permissions, and results are integrated into the delivery process.
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| Tool category | What it helps check or protect | Where it commonly fits |
|---|---|---|
| Static application security testing (SAST) | Potential weaknesses in source code without running the application. | Code review and automated build checks. |
| Software composition analysis (SCA) | Third-party dependencies, known vulnerabilities, and license information. | Dependency selection, builds, and ongoing vulnerability management. |
| Secret detection | Credentials or other sensitive values exposed in code or related content. | Code changes and repository workflows. |
| Infrastructure-as-code (IaC) scanning | Risky settings in declarative infrastructure and configuration. | Infrastructure review and deployment preparation. |
| Container security | Container images and related build or configuration issues. | Image creation, registry handling, and deployment checks. |
| Dynamic application security testing (DAST) | Security issues observable while an application is running. | Test environments and suitable pre-release checks. |
| Artifact signing, provenance, and software bills of materials (SBOMs) | Artifact integrity, information about how an artifact was produced, and component inventory. | Packaging, distribution, promotion, and investigation. |
| Policy-as-code and identity controls | Whether pipeline actions, permissions, and configurations meet defined rules. | Across pipeline interactions and release gates. |
Tool selection should account for lifecycle coverage, the quality and automation of checks, dependency and vulnerability visibility, evidence capabilities, identity and isolation controls, integration effort, developer feedback speed, auditability, and operating cost. Avoid treating the volume of alerts as a measure of security: teams need clear ownership, prioritization, and a workable path to remediation.
How to make DevSecOps work in practice
- Set risk-based requirements. Decide which checks and controls are appropriate for each application and release context instead of applying identical gates regardless of risk.
- Make findings actionable. Route results to the team that can fix them, include enough context to reproduce or assess the issue, and define how urgent findings and exceptions are handled.
- Protect the automation. Review pipeline permissions and trust boundaries as carefully as application access controls; automation with broad privileges can amplify mistakes or compromise.
- Keep human judgment where it matters. Automated checks can enforce policy and catch known classes of issues, but teams still need to assess architecture, threat assumptions, and unusual findings.
- Use evidence to improve the system. Review test outcomes, pipeline logs, provenance, and operational vulnerabilities to identify recurring weaknesses and adjust practices.
DevSecOps is most useful when it becomes part of how teams make and verify delivery decisions—not when security is reduced to a scanner, a final approval, or a claim that a pipeline is secure.
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