DevSecOps: deployment, culture and security tools in DevOps

slug: “devsecops-deployment-culture-and-security-tools-in-devops” In an era of ubiquitous digitization, where software is the lifeblood of business and speed of delivery of innovations determines survival in the market, the traditional siloed approach to cyber security is becoming not only ineffective, but dangerous. A model in which the security team appeared at the end of the development process, like an auditor with a list of problems, generated delays, frustration and, worst of all, left the door open for cyber threats. In response to these challenges, DevSecOps was born - an evolution of the DevOps philosophy that is revolutionizing the way we think about security.

DevSecOps is not another trendy buzzword. It’s a fundamental cultural and operational change that integrates security practices into every stage of the software development life cycle (SDLC) - from the concept itself, through design and coding, to deployment and maintenance. Security ceases to be the domain of a narrow group of specialists and becomes the shared responsibility of everyone: developers, operations engineers, testers and architects.

In this comprehensive guide, we will delve into the world of DevSecOps. We will explain its fundamental principles, show you how to put security into practice in agile processes, define new roles and responsibilities, and show you how to measure the effectiveness of this transformation. At EITT, we believe that technology is just a tool - real change starts with people. That’s why we’ll show you how to build the competencies and culture that will transform security from a brake on innovation to an integral part of it and a strategic asset for your company, especially in the context of growing regulatory requirements such as the NIS2 directives and the DORA regulation.

Shortcuts

DevSecOps as the evolution of DevOps: definition, philosophy and strategic necessity in the era of digital threats and agile development

DevSecOps is an approach to software development and maintenance that extends the popular DevOps philosophy (linking the world of developers - Dev - and operations - Ops) with a key third dimension: security (Sec). The basic idea is to build security into the entire process, rather than “tacking” it on at the end. This is the implementation of the concept of “shift left security,” i.e. moving security activities as far to the left as possible on the project timeline. It is many times cheaper and faster to identify and fix a security vulnerability at the code writing stage than to patch it in a running production system that has already been attacked.

The DevSecOps philosophy is based on three pillars: people, processes and technology. It breaks down traditional walls between teams, promoting a culture of open communication, collaboration and shared responsibility. Instead of a situation where developers “throw code over the wall” to the operations department and the security department vetoes implementations, all these groups work together from the beginning to create software that is not only functional and efficient, but also secure “by design.”

Implementing DevSecOps is no longer just a “best practice” - is becoming a strategic necessity for any modern organization. There are several reasons for this:

• Escalating cyber threats: The number, complexity and speed of attacks are growing exponentially. A reactive approach to security is doomed to failure.

• DevOps speed: Agile methodologies and continuous deployment (CI/CD) have made software changes daily or even hourly. Traditional manual security testing can’t keep up with this pace. Security needs to be equally agile and automated.

• Increasing regulatory requirements: Directives such as NIS2 and the DORA regulation impose strict obligations on companies to manage cyber risk, test for resilience and report on incidents. DevSecOps provides a framework to meet these requirements in a systematic way.

• Protecting business value: A successful attack is not just financial loss. It’s also a loss of reputation, customer trust and competitive advantage. An investment in proactive security is an investment in protecting a company’s fundamental values.

Table 1: DevOps vs. DevSecOps - Key difference in approach

AspectTraditional DevOpsDevSecOps The Role of Security Often treated as a separate stage, carried out by an external security team after development.Integrated into the entire application lifecycle, from planning to maintenance. Moment of Action Reactive - responding to detected vulnerabilities at a late stage.Proactive - preventing the emergence of vulnerabilities and detecting them early (“shift left”). Responsibility Exclusively on the part of the security team. Shared responsibility of all: developers, operations and security. Processes Security as a potential “blocker” or “bottleneck” before deployment.Security as an automated and integral part of the CI/CD pipeline. Target Rapid delivery of functionality.Fast and secure delivery of functionality.

Fundamental principles and pillars of DevSecOps culture: from automation and collaboration to “security as code” and continuous monitoring

Successful implementation of DevSecOps requires adopting a new mindset based on a few fundamental principles. These provide the framework for the culture and processes that drive the transformation.

• “Shift Left” - Shifting Security Left: This is the absolute foundation. Instead of waiting for penetration testing just before deployment, we integrate security checks at every stage. We analyze potential threats as early as the design phase, and during coding, automated tools continuously check the code for vulnerabilities.

• Automating Everything Possible: Manual processes are slow, error-prone and unscalable. At DevSecOps, we aim to automate security testing (SAST, DAST, IAST), dependency scanning (SCA), configuration verification and monitoring, integrating them directly into CI/CD pipelines. This ensures that every change to the code is automatically subjected to security assessment.

• Security as Code (SaC): This principle extends the Infrastructure as Code (IaC) concept. Security policies, firewall rules, system configurations and security tests are defined in code files (e.g. YAML, JSON). Such code is stored in a repository (e.g., Git), versioned, reviewed and automatically deployed. This ensures consistency, reproducibility and full auditability of the security configuration.

• Collaboration and Shared Responsibility: No more “it’s not my job” thinking. In a DevSecOps culture, developers, operations engineers and security experts form a single, integrated value stream. Security becomes a shared responsibility of the entire team, with security experts acting as mentors and facilitators, not “policemen.”

• Continuous Monitoring and Feedback: deployment of an application is not the end, but the beginning of its life in a production environment. DevSecOps implies continuous monitoring of systems for anomalies, suspicious activity and new vulnerabilities. It is critical to create a feedback loop so that monitoring data quickly reaches the development teams, enabling instant response.

• Proactive Approach and Threat Thinking: Instead of waiting for an attack, we proactively anticipate it. Practices such as threat modeling at the design stage identify potential attack vectors and build in appropriate safeguards before even a single line of code is written.

Implementing these principles is a marathon, not a sprint. It requires a change in mentality, the development of new competencies and consistent support from leaders.

Security integration across the software development lifecycle (SDLC): practical application of DevSecOps at every stage - from planning to operations

The DevSecOps philosophy manifests itself through specific activities and tools woven into each phase of the software development lifecycle. Let’s see what this looks like in practice.

Table 2: DevSecOps in Practice: Activities and Tools at Every Stage of the SDLC

SDLC phaseMain Security ActivitiesSample Tool Types Planning- Threat Modeling

• Defining Security Requirements
• Business Risk AnalysisDiagramming tools (e.g. Draw.io), specialized threat modeling tools (e.g. OWASP Threat Dragon) Coding- Using secure coding practices (Secure Coding)
• Code reviews (Code Review) for security
• Real-time code scanning in the IDEIDE plug-ins (e.g. SonarLint), static code analysis (SAST - e.g. SonarQube, Checkmarx), secret scanners (e.g. GitGuardian) Building- Static Application Security Analysis (SAST)
• Software Component Analysis (SCA) scan of open-source libraries
• Scan of container imagesSAST tools, SCA tools (e.g., OWASP Dependency-Check, Snyk), container image scanners (e.g., Trivy, Clair) Testing- Dynamic Application Security Analysis (DAST)
• Interactive Application Security Analysis (IAST)
• Penetration Testing (manual/automatic)DAST tools (e.g., OWASP ZAP, Burp Suite), IAST tools, penetration testing platforms Issue- Final review of configuration and permissions
• Verification of removal of critical vulnerabilities
• Digital signature of artifactsConfiguration management tools, vulnerability scanners Implementing- Automate deployments using secure CI/CD pipelines
• Secure secret management (passwords, API keys)
• Use of Infrastructure as Code (IaC) with security policiesCI/CD systems (e.g. GitLab CI, GitHub Actions), secret stores (e.g. HashiCorp Vault), IaC tools (e.g. Terraform) Operations and Monitoring- Continuous monitoring of logs and security metrics
• Vulnerability management in the production environment
• Incident detection and response systems (SIEM, SOAR)Monitoring tools (e.g. Prometheus, Grafana), SIEM systems (e.g. Splunk), real-time application security platforms (RASP)

Roles and responsibilities in the DevSecOps ecosystem: from the developer taking care of security to the modern DevSecOps engineer and supporting leader

The DevSecOps transformation entails the evolution of traditional roles and the emergence of new ones. Success depends on all team members understanding and embracing their new responsibilities.

• Developer (Developer): Ceases to be solely a developer of functionality. He becomes the first line of defense. He is expected to know secure coding practices (e.g., avoiding vulnerabilities on the OWASP Top 10 list), to be able to use SAST tools integrated into his work environment, and to actively participate in code reviews for security. He is responsible for the “cleanliness” of the code that goes into the repository.

• Operations / DevOps Engineer (Operations / DevOps Engineer): Takes care of the security of the infrastructure on which the application runs. Responsible for the secure configuration of servers, networks and cloud services, often using Infrastructure as Code (IaC). Manages the secure deployment process, monitors systems for threats and is a key figure in the incident response process.

• Security Specialist (Security Professional): His role is changing dramatically. From being a “bouncer” blocking deployments, he is becoming a mentor, consultant and architect of security solutions. Instead of manually testing everything, he focuses on automation, educating development teams, providing them with the right tools, performing advanced testing (such as penetration testing) and analyzing the latest threats.

• DevSecOps Engineer (DevSecOps Engineer): This is an increasingly common hybrid role. This is a specialist who combines competencies from all three areas. His main task is to build and maintain automated CI/CD pipelines, integrate security tools into them, optimize processes and promote a DevSecOps culture throughout the organization.

• Security Champion (Security Champion): This is an extremely effective model for building scale. This is a developer or engineer from a particular product team who has a special interest and additional expertise in the security area. He or she acts as an “ambassador” and point of first contact for security within his or her team, helping colleagues and promoting best practices.

• Leader/Manager: Responsible for creating the conditions for DevSecOps success. He must understand the strategic importance of security, allocate budget for tools and training, promote a culture of collaboration, remove barriers and trust his teams. Without his active support, the transformation will remain only on paper.

Building and implementing DevSecOps culture and practices in the organization: from strategy and tools to competence development and mindset change

Implementing DevSecOps is a complex journey that requires a strategic and holistic approach.

Steps to implement a DevSecOps culture:

• Get leadership support: Start with executive education. Present DevSecOps not as a cost, but as an investment in business resilience and regulatory compliance.

• Evaluate the current state: conduct a maturity audit of your DevOps and security processes. Where are you today? Where are the biggest gaps?

• Create a vision and roadmap: Define what you want DevSecOps to look like in your organization in 6, 12 and 24 months. Break down the plan into smaller, achievable milestones. Start with one pilot project.

• Build a foundation for collaboration: Hold joint workshops for Dev, Sec and Ops teams. Create a space for open discussion of problems and goals. Break down silos.

• Invest in competence: This is the most important step. Organize secure coding training for developers. Send security specialists to workshops on automation and the cloud. Develop soft skills - communication and collaboration.

• Implement tools incrementally: Start with the basics. Integrate SAST and SCA scanning into the CI/CD pipeline. Don’t try to implement everything at once. Tools are meant to support the process, not define it.

• Establish a Security Champions program: identify security enthusiasts in teams and give them the tools and mandate to take action. This is the fastest way to scale knowledge.

• Measure, analyze and improve: Enter key indicators (KPIs), analyze them regularly and optimize your processes based on them. DevSecOps is a continuous improvement loop.

Measuring DevSecOps maturity and effectiveness: key metrics (KPIs) and continuous improvement of security processes

For a DevSecOps transformation to be measurable and deliver real benefits, it is necessary to monitor key indicators. They help understand whether we are moving in the right direction and where improvement is needed.

Table 3: DevSecOps Key Indicators - Categories and Examples

Indicator CategorySample KPIWhat does it tell us? Speed of Response MTTD (Mean Time to Detect): The average time to detect a vulnerability. MTTR (Mean Time to Remediate): The average time to remediate a vulnerability.How quickly we are able to find and fix security problems. The lower the values, the better. Quality and Risk Vulnerability Density: Number of vulnerabilities per 1,000 lines of code. Percentage of critical vulnerabilities discovered prior to production.What is the quality of the code in terms of security and how effective are our “shift left” mechanisms. Process Efficiency Percentage of automated security testing. Deployment Frequency . Whether our processes are automated and whether security is slowing down the delivery of business value. Business Impact Number and cost of security incidents. Cost of compliance . What is the real, financial and reputational impact of our DevSecOps activities on the organization.

DevSecOps in the context of modern architectures and regulations: cloud, microservices, containerization, and compliance with NIS2 and DORA

DevSecOps practices are indispensable in the world of modern technology and regulation.

• Cloud Computing: DevSecOps in the cloud requires specialized skills in secure service configuration (CSPM), identity management (IAM) and monitoring dynamic environments.

• Microservices and Containers: automating scanning of container images (Docker) and secure configuration of orchestrators (Kubernetes) are key tasks for DevSecOps teams.

• NIS2 directive: It imposes stringent requirements for risk management, supply chain security and incident reporting. Systematic and automated DevSecOps practices are the best way to ensure NIS2 compliance.

• DORA: Targeted at the financial sector, the regulation requires, among other things, advanced digital resilience testing. Regular automated security testing in the CI/CD pipeline is a direct response to these requirements.

From theory to practice: How does EITT build DevSecOps competency and culture in your organization?

DevSecOps implementation is all about cultural and competency transformation. Tools can be bought, processes can be copied, but the real change happens in the minds and skills of people. That’s why at EITT we believe that the foundation of success is an investment in human capital. Our mission is not to implement systems for you. Our mission is to build self-reliance and mastery in your teams so that they are able to create secure and innovative software.

We offer comprehensive development paths that will equip your employees with the knowledge and practical skills they need to succeed in the world of DevSecOps:

1. for Development Teams:

• Workshop on Secure Coding (Secure Coding): Dedicated to different languages (Java, Python, .NET, JavaScript), teaching how to avoid common vulnerabilities (OWASP Top 10).

• SAST/DAST/SCA tool training: teaches how to effectively use automated scanners in daily operations.

2. for Operations and DevOps Teams:

• Cloud Security Training: Practical workshops on how to securely configure and monitor AWS, Azure or GCP services.

• Container Security and Kubernetes Workshop: teaches how to secure Docker images and manage security in orchestration environments.

• Infrastructure as Code (IaC) training with a focus on security (e.g., Terraform).

3. for Security Specialists:

• CI/CD Security Automation Workshop: Demonstrate how to integrate security tools with GitLab CI, GitHub Actions or Jenkins.

• Advanced Threat Modeling Training.

• Programs to prepare for the role of “Security Champion” and mentor within the organization.

4. for Leaders and Managers:

• Strategic DevSecOps Workshops: help you understand the philosophy, business benefits and plan the transformation.

• Training in Building a Team Culture of Safety.

• Workshop on NIS2 and DORA requirements for executives.

Build your company’s digital resilience by investing in its most important asset - the competence of your team. Contact us to learn how our training programs can accelerate your organization’s DevSecOps transformation and make security your strategic asset.

Read Also

• DevSecOps: Implementation, Culture, and Security Tools in DevOps
• ‘DevOps: implementation, culture, tools and business benefits | EITT’
• ‘DevOps: implementation, culture, tools and business benefits’

Develop Your Skills

This article is related to the training DevOps Fundamentals. Check the program and sign up to develop your skills with EITT experts.

Read also

• DevOps: implementation, culture, tools and business benefits
• What is DevOps? Culture and Practices Connecting Software Development with IT Operations
• Automated Software Deployment: CI/CD in Practice

Frequently Asked Questions

What is the difference between DevOps and DevSecOps?

DevSecOps extends DevOps by embedding security practices into every phase of the software development lifecycle, rather than treating security as a final checkpoint. While DevOps focuses on collaboration between development and operations, DevSecOps adds security as a shared responsibility from code writing through production deployment.

What tools are essential for implementing DevSecOps?

Key DevSecOps tools include static application security testing (SAST) tools like SonarQube, dynamic testing (DAST) tools like OWASP ZAP, container scanning tools like Trivy or Snyk, and secrets management solutions like HashiCorp Vault. Infrastructure-as-code scanners such as Checkov or tfsec are also critical for catching misconfigurations early.

How does DevSecOps affect deployment speed?

When properly implemented, DevSecOps actually maintains or improves deployment speed by catching security issues early when they are cheaper and faster to fix. Automated security scanning integrated into CI/CD pipelines adds minimal overhead while preventing costly security incidents and emergency patches later in production.

How do you build a DevSecOps culture in an organization?

Start by making security training accessible to all developers and operations staff, not just the security team. Implement automated security gates in CI/CD pipelines, celebrate security improvements alongside feature delivery, and establish security champions within development teams who advocate for secure coding practices in their daily work.