How to Build a Secure DevOps Cycle

[Blog cover] How to build a secure DevOps cycle

As security threats are coming from all fronts and growing more sophisticated, organizations face the hard truth: integrating security into DevOps from the very beginning, not just bolt it on at the end.

This shift-left mindset forms the foundation of what is now known as DevSecOps – a modern approach that embeds security checks, policies, and tools throughout the entire software development lifecycle.

At the heart of this transformation lies CAMS in DevOps, a principle that emphasizes Culture, Automation, Measurement, and Sharing. When applied with a security-first lens, CAMS helps break down silos and create a collaborative, secure-by-design pipeline that accelerates delivery without sacrificing protection.

In this guide, we’ll walk through each stage of the DevSecOps cycle, demonstrating how to apply security best practices from planning through production. Whether you’re just getting started with DevSecOps integration or looking to mature your current processes, this article will give you the strategic blueprint you need.

CAMS in DevOps: The Foundation of Secure DevSecOps

As established earlier, at the heart of every successful DevOps transformation, especially one with security at its core, lies the CAMS model: Culture, Automation, Measurement, and Sharing. Originally coined by Damon Edwards and John Willis, the concept later evolved to CALMS (the L stands for Lean) by Jez Humble, CAMS helps DevOps teams build systems that are not only fast and scalable but also resilient and secure. When adapted through a DevSecOps lens, CAMS becomes an essential framework for integrating security into DevOps from the start.

Let’s break it down:

Culture: Security Is Everyone’s Responsibility

In traditional software development lifecycles, security is often siloed and added late in the development process. In the CAMs model for DevOps, that mindset is turned on its head. Instead, teams adopt a shared responsibility model where developers, operations, and security professionals collaborate from the outset.

This cultural shift requires training, leadership buy-in, and open feedback loops. Tools and automation are important, sure, but without a secure-first culture, they simply won’t stick.

How to make it work for you: Conduct regular cross-functional security retrospectives and “game days” to stress-test both culture and code.

Automation: Scale Security Without Slowing Down

Speed is essential, but never at the cost of security. DevSecOps integration relies on automation to keep up with modern release cycles. This includes:

  • Static Application Security Testing (SAST)
  • Dynamic Application Security Testing (DAST)
  • Software Composition Analysis (SCA) for open-source dependencies
  • Secrets detection and policy enforcement (e.g., GitGuardian, AWS Secrets Manager)

By embedding automated checks into your CI/CD pipelines, you can catch vulnerabilities early and ensure compliance without slowing velocity.

According to GitLab’s DevSecOps Report, only 36% of teams automate security testing, and those who do resolve vulnerabilities 26% faster.

Measurement: Track What Matters Most

You can’t secure what you don’t monitor. In DevSecOps, measurement goes beyond uptime and deployment frequency. Key metrics include:

Dashboards and visualizations help make this data accessible across teams, which drives accountability and continuous improvement.

Sharing: Break Silos and Build Trust

Security teams are no longer the “department of no.” By emphasizing open communication and shared ownership, the CAMs model in DevOps builds a culture of transparency and mutual support.

  • Encourage security champions within dev teams
  • Host internal security town halls or “lunch & learn” sessions
  • Document and share lessons learned from incidents and audits

The more security knowledge flows, the more resilient the organization becomes.

Step-by-Step DevSecOps Lifecycle Integration

To truly secure your pipeline, security must be embedded across every phase of the DevOps lifecycle, not just during testing or deployment. This “shift left” philosophy, which we mentioned early on, is central to the DevSecOps cycle, where teams proactively bake in protection from planning to monitoring. Here’s how to build a resilient, secure DevOps flow, stage by stage:

1. Plan: Build Security Into Design

The planning phase sets the tone for everything that follows in the DevSecOps cycle. Traditionally, teams focused on functionality, features, and delivery timelines, leaving security as a downstream concern. But in a DevSecOps environment, security becomes a first-class citizen from the start. Here’s how to do it right:

Start with Threat Modeling: Before a single line of code is written, teams should ask: "What could go wrong?" Threat modeling is a structured process. Together, developers, security engineers, and stakeholders work to:

  • Identify assets (e.g., sensitive data, APIs)
  • Map potential threats (e.g., injection, spoofing, privilege escalation)
  • Prioritize risks based on impact and likelihood
  • Define mitigation strategies
  • Popular frameworks such as STRIDE or PASTA help structure this process, and tools like OWASP Threat Dragon or Microsoft’s Threat Modeling Tool can support remote or distributed teams.

Define Security Requirements Early: Security should be treated like any other product requirement. This includes:

  • Authentication & authorization models
  • Data protection policies (encryption at rest/in transit)
  • Compliance (HIPAA, GDPR, etc.)
  • SLAs for security incidents

Establish Governance and Standards: Lay the foundation for repeatable, compliant, and secure practices.

  • Choose a secure development framework (e.g., OWASP ASVS)
  • Standardize coding guidelines and secure defaults
  • Assign security ownership within agile teams
  • Define escalation procedures for discovered risks

Educate Early, Not After the Breach: Security planning is just as much about people as it is about tools. Bring developers and product managers into the fold with:

  • Awareness training on secure development practices
  • Clear documentation of known threat patterns and mitigations
  • Regular alignment with security architects or consultants

According to IBM’s 2024 Cost of a Data Breach report, organizations with high levels of security automation and early planning saved an average of $2.2M per breach.

By making security a strategic focus during planning, and not just an afterthought, teams lay the groundwork for a secure, scalable pipeline where risks are addressed before they become vulnerabilities in production.

2. Develop: Secure Code from the Start

Once planning is complete, development kicks off, and this is where vulnerabilities can quickly slip in if security isn’t front and center. In the DevSecOps cycle, secure development means giving your engineers the tools, training, and automation they need to write resilient, threat-resistant code from the get-go.

Adopt Secure Coding Standards: Every developer should be working from a common playbook. Industry-backed frameworks like the OWASP Secure Coding Practices Checklist or CWE Top 25 Most Dangerous Software Weaknesses help teams avoid recurring security pitfalls such as:

  • SQL injection
  • Insecure deserialization
  • Hardcoded credentials
  • Improper input validation

Use Secrets Management from Day One: Storing credentials in code repositories is one of the most common and preventable security mistakes. A 2022 GitGuardian report found that over 10 million secrets were exposed on public GitHub repos that year alone. Avoid this risk entirely by:

Integrate Security into the IDE: Secure coding can’t rely on memory alone. Use IDE plugins that highlight security flaws as developers write code, like CodeQL or Semgrep. This creates immediate feedback loops, builds habits, and catches vulnerabilities early in the workflow. Shifting security left doesn’t mean shifting responsibility. It means providing visibility and support where developers work.

Empower Peer Reviews with Security Context: Code reviews are a powerful opportunity to detect vulnerabilities before they ever reach CI/CD. Strengthen peer review by:

  • Including security-focused checklists
  • Training reviewers on common flaw types
  • Using pull request templates with fields for authentication, data handling, and dependency considerations

3. Build: Automate Scanning in CI/CD Pipelines

In the build phase, application code becomes executable software, and if you're not careful, so do security flaws. This stage is where automation becomes your best friend. The goal is to embed security checks directly into your CI/CD pipeline, catching misconfigurations, vulnerable dependencies, and insecure containers before they reach production.

Use Static Application Security Testing (SAST): SAST tools analyze source code or binaries before deployment, detecting vulnerabilities like:

These tools can be run automatically in your CI process, flagging issues as part of your merge/pull request workflow. In fact, a Synopsys study found that 74% of codebases had at least one known vulnerability, many of which could have been flagged during static analysis.

Scan Open Source Dependencies and Containers: Modern apps rely heavily on third-party components, and those dependencies are a top attack vector. Use Software Composition Analysis (SCA) tools to identify known CVEs (Common Vulnerabilities and Exposures) in:

Open-source libraries (e.g., npm, Maven, pip)

Docker containers and base images

Some prominent tools include Snyk, Dependabot, OWASP Dependency-Check, and Trivy for container scanning.

Set Up Policy Gates in the Pipeline: Even the best scans are useless if vulnerabilities are ignored. Implement automated policy enforcement:

  • Fail builds with critical vulnerabilities
  • Require justification for deploying with known issues
  • Alert teams when thresholds are exceeded

Secure Artifact Repositories: It’s not just your code. It’s also where you store it. Use secure, access-controlled artifact repositories like JFrog Artifactory, GitHub Packages and AWS CodeArtifact.

4. Test: Validate and Harden Before Release

Testing is where functionality meets resilience, and in the DevSecOps cycle, it's the frontline for proactively identifying vulnerabilities before software ever touches production. This phase is your final opportunity to simulate real-world attacks, validate configurations, and ensure your app won’t break under pressure.

Dynamic Application Security Testing (DAST): While SAST checks your source code, DAST evaluates your app in its running state, just like a hacker would. These tools perform simulated attacks on your live application to discover:

  • Cross-site scripting (XSS)
  • SQL injection
  • Authentication misconfigurations
  • Exposed endpoints

Popular tools include OWASP ZAP (open-source), Burp Suite, and Netsparker.

According to Forrester, DAST identifies security risks that static code analysis can miss, especially in complex front-end apps.

Conduct Manual and Automated Penetration Testing: Pen testing goes deeper than automated scans. Human-led assessments can simulate advanced persistent threats (APTs), business logic flaws, and multi-step attack chains. Many high-maturity DevSecOps teams adopt a hybrid testing model:

  • Automated tests for broad, repeatable coverage
  • Manual ethical hacking for depth and creativity

Verify APIs, Encryption, and Identity: In an API-first world, testing must go beyond the user interface:

  • Validate API authentication/authorization (OAuth, tokens, scopes)
  • Check encryption protocols (TLS 1.2+)
  • Ensure session management is secure (timeouts, CSRF protection)

Tools like Postman, Insomnia, and Hoppscotch can help automate API testing, while suites like TestSSL assess transport security.

Run Fuzz Testing and Negative Tests: Want to catch what you didn’t expect? That’s what fuzz testing is for. These tools throw unexpected, malformed, or random data at your app to expose: unhandled exceptions, buffer overflows, and data corruption issues.

Examples: Atheris (Python fuzzing from Google) and libFuzzer (LLVM-based)

Make Security Tests Gatekeepers for Release: Security tests shouldn’t just be informational. They should be enforcement gates:

  • Block releases on critical findings
  • Require fixes or exceptions before promotion
  • Track test results over time for trend analysis

5. Release: Control What Goes Live

The release phase is more than pushing a button. It’s the last control point before your application enters the wild. A secure release process ensures only verified, compliant, and trusted components make it to production. Without this stage, even well-developed code can become a security liability.

Implement Code Signing and Artifact Integrity Checks: To prevent tampering during release, use digital signatures to verify:

  • Code authenticity
  • Artifact integrity
  • Deployment origin
  • Tools like Sigstore, Cosign, and GPG help sign binaries, container images, and Helm charts, creating traceability and trust.

According to the CNCF’s Software Supply Chain Best Practices, signed artifacts and provenance metadata are crucial to combat supply chain attacks.

Enforce Role-Based Access Control (RBAC): Limit release capabilities to authorized personnel only. Enforce RBAC within:

  • CI/CD tools (e.g., GitHub Actions, Jenkins, GitLab)
  • Cloud deployment services (e.g., AWS CodePipeline, Azure DevOps)
  • Artifact registries and signing platforms

Automate Release Compliance and Audit Trails: Integrate compliance validation into your release process.

  • Ensure licenses, privacy terms, and vulnerability thresholds are met
  • Validate infrastructure templates against security baselines
  • Generate automated audit logs of who released what, when, and how

Block Promotion of Unverified Artifacts: A secure release pipeline includes promotion gates, such as:

  • Failing builds that haven’t passed all required tests
  • Blocking unsigned or unscanned artifacts
  • Holding releases until policy checks (e.g., vulnerability thresholds) are met

Some teams use progressive delivery techniques (e.g., blue/green or canary deployments) to further reduce risk by gradually rolling out new versions and monitoring for anomalies.

6. Deploy: Harden Infrastructure as Code (IaC)

Modern DevOps pipelines provision the infrastructure behind deploying code. If Infrastructure as Code (IaC) isn't secured, it can become a fast track for misconfigurations, privilege escalations, and wide-open attack surfaces. The DevSecOps cycle ensures that deployment is repeatable, traceable, and hardened by design.

Use Secure IaC Templates: IaC tools like Terraform, AWS CloudFormation, and Pulumi allow teams to spin up entire environments with a few lines of code. But these templates must follow security best practices from day one:

  • Avoid hardcoded secrets
  • Use parameterized roles and variables
  • Enforce secure defaults (e.g., encryption, logging, least privilege)

Scan IaC for Misconfigurations: Before you deploy anything, scan your IaC templates for known issues:

  • Open S3 buckets or public cloud resources
  • Overly permissive IAM roles
  • Disabled logging and monitoring

Use Environment Parity to Prevent Surprises: One of the biggest sources of deployment issues (and security flaws) is when dev, staging, and prod environments diverge. Solve this by:

  • Reusing the same IaC templates across all environments
  • Applying environment-specific variables (e.g., size, region, tags)
  • Automating the full environment build/rebuild process

Apply Cloud-Native Security Controls: Make sure your IaC provisions infrastructure that’s ready for secure operation:

  • Enable encryption at rest and in transit
  • Turn on multi-factor authentication (MFA)
  • Create network segmentation and security groups
  • Set up logging and alerting tools (CloudTrail, GuardDuty, Azure Monitor)

7. Operate: Monitor and Detect in Real Time

Once your applications and infrastructure are live, the focus shifts to ongoing vigilance. Operating in the DevSecOps cycle means ensuring systems are not just running, but monitored, observable, and ready to defend in real time. In a threat landscape where attackers can breach systems in minutes but go undetected for months, visibility is everything.

Integrate Security into Observability Tools: Traditional DevOps observability (metrics, logs, traces) now expands to include:

  • Security events and anomalies
  • User behavior monitoring (UBM)
  • Privilege escalation attempts
  • Lateral movement within systems

To correlate operational and security insights, integrate: SIEM platforms (e.g., Splunk, Sumo Logic, Elastic SIEM), XDR tools (e.g., Microsoft Defender, Palo Alto Cortex XDR), and security-focused observability suites like Datadog Security or New Relic Vulnerability Management.

Automate Threat Detection and Response: Speed is critical; automated response capabilities can limit damage within minutes. Mature DevSecOps teams implement:

  • SOAR platforms (Security Orchestration, Automation, and Response) to trigger alerts and actions
  • Runtime protection tools for workloads (e.g., Falco, Aqua Security, Sysdig)
  • Container and Kubernetes security monitoring for live environments

Close Gaps in Identity and Access Monitoring: Your monitoring strategy should also include:

  • Failed login detection
  • Unusual access patterns (e.g., logins at odd hours, unexpected regions)
  • Drift from role-based policies or least-privilege models

Did you know that human error accounts for over 74% of cloud security incidents? Real-time monitoring helps correct missteps fast. Cloud-native identity tools (e.g., AWS CloudTrail, Azure AD Sign-In Logs) help track access anomalies before they escalate into breaches.

8. Monitor: Close the Feedback Loop

The final and often overlooked stage of the DevSecOps lifecycle is all about learning, adapting, and improving. Monitoring isn’t just about alerts; it’s about using everything you’ve observed to fortify future cycles and catch vulnerabilities before they repeat. This is where security becomes continuous intelligence.

Feed Security Insights Back into Planning: Every alert, anomaly, or incident should create a learning opportunity. High-performing teams:

  • Document post-incident reviews (PIRs)
  • Capture root causes and signals that correlate
  • Translate findings into updated threat models and security stories

Log Everything and Learn From It: Centralized logging is your audit trail and forensic toolkit. Log everything across:

  • Applications and APIs
  • Infrastructure and cloud activity
  • User behavior and system calls

Run Continuous Vulnerability Management: Monitoring also includes proactively:

  • Rescanning assets for new CVEs
  • Identifying newly introduced attack surfaces
  • Re-evaluating container images and dependencies

Share Feedback Across Teams: Security isn’t just a DevOps concern. Use the monitoring insights to:

  • Inform security awareness training
  • Update compliance documentation
  • Enable leadership to make better risk-based decisions

Continuous Improvement is the Real Security

DevSecOps is about building a resilient, learning-driven culture where feedback loops turn every incident into progress. This is where continuous learning happens.

  • Collect logs from applications, servers, and cloud environments.
  • Set up log analysis and anomaly detection.
  • Feed vulnerability data back into planning to improve next iterations.
  • Review incidents for root cause analysis and share learnings across teams.
DevOps PhaseSecurity Focus
PlanThreat modeling
Risk assessments
Secure coding standards
DevelopSecure coding practices
Secrets management
IDE security plugins
BuildStatic analysis (SAST)
Dependency and container scans
Pipeline gates
TestDAST and pen testing
API and encryption testing
Fuzz testing
ReleaseCode signing
RBAC enforcement
Automated policy checks
DeploySecure IaC templates
IaC scanning tools
Environment parity
OperateSIEM integration
Runtime security tools
Threat detection automation
MonitorLog aggregation
Behavioral analytics
Incident feedback loops

A secure DevOps cycle is a learning DevOps cycle. That’s why the DevSecOps approach has evolved from a checklist to a mindset shift:

  • From reacting to preventing
  • From silos to collaboration
  • From patching to designing for resilience

But implementing this cycle successfully takes more than good intentions. It requires deep expertise, strategic foresight, and hands-on experience. That’s where Svitla Systems comes in.

With years of proven excellence in secure cloud engineering, infrastructure automation, and DevOps transformation, Svitla partners with organizations to build secure pipelines that scale, adapt, and protect. All from day one.

Whether you're starting your DevSecOps journey or looking to mature your existing practices, Svitla can help you embed security at the speed of innovation.

FAQ

What is the difference between DevOps and DevSecOps?

DevOps focuses on unifying development and operations to deliver software faster and more reliably. DevSecOps adds security as a core principle, embedding it throughout the development lifecycle instead of treating it as a final checkpoint. It ensures security is everyone’s responsibility, not just the security team’s.

Why is “shifting left” important in security?

“Shifting left” means addressing security earlier in the software development process, ideally during planning, design, and coding. This approach helps catch vulnerabilities sooner (when they’re cheaper to fix), reduces rework, and builds a culture of proactive risk mitigation.

How can I secure my CI/CD pipeline?

To secure a CI/CD pipeline, integrate tools like SAST, DAST, and IaC scanners directly into the build and deployment steps. Use policy gates to block releases with critical issues, enforce RBAC, and ensure signed, verified artifacts are deployed. Logging and audit trails are essential for traceability.

What are the common mistakes in cloud DevSecOps?

Hardcoded secrets in repositories, over-permissioned IAM roles, not scanning third-party dependencies, skipping IaC security checks, and lacking visibility into runtime threats are common DevSecOps mistakes.

Most cloud breaches come from misconfigurations, not zero-day exploits. That’s why automation and guardrails are essential.

What’s the best way to get started with DevSecOps?

Start small. Introduce SAST tools, secret scanners, or container vulnerability checks into your current pipeline. Educate developers on secure coding practices. Gradually build toward a full DevSecOps culture with shared ownership, training, and continuous improvement cycles.