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For the past three to four years, all the companies around the IT world have adopted agile and different application development methodologies that leverage the work for different departments or areas and helps them to develop new products and release new features to improve their processes and infrastructure.
In this new Agile and DevOps world where everybody on a team is involved in the rapid-changing and evolution of their application, we are promoting accountability for everybody in terms of security—this is when DevSecOps joins the party.
DevSecOps is a new model that provides accountability for the security implementation in the application; from the planning, design, development, QA/testing, to release and when operating on a production environment.
When implementing DevSecOps on the Software Development Lifecycle (SDLC), an organization will experience the continuous integration and will notice that the costs for compliance are reduced, code is constantly being analyzed, tested, delivered and released properly.
DevSecOps enables the process of implementing security to everybody and makes them accountable.
As I stated previously on this blog, on this rapid-changing era, everything is evolving at a very accelerated pace. We continue to discover vulnerabilities and breaches across platforms and operating systems, patches are released constantly but we—as part of the operating team of a company—cannot afford the risk of having a vulnerability on any side of our IT system/application.
DevSecOps is a must-have methodology that needs to be integrated into your DevOps process/pipeline to help you improve your security on your SDLC.
There are five important phases that need to be followed in order to enable DevSecOps on a current DevOps pipeline or in the SDLC. Here are the crucial phases to enable it:
Phase 1: Secure Local Development. Start by implementing secure working-environments. When you are developing an application, in most cases you will use open source technologies. Docker is a great helper at this phase since it automates the infrastructure and services deployments on local machines. So when you are using this ready-to-go docker environment, make sure that you are using the most recent/updated versions of the Docker Images and scan them for vulnerabilities. Even the images from official providers have vulnerabilities that need to be patched.
Phase 2: Version Control and Security Analysis. Enable Vulnerability while uploading your source code.  Having multiple hands or people working at a piece of code can lead to vulnerabilities, especially when they are remote. Git systems have been a great improvement for collaboration between team members and code. When a team member uploads a piece of code, I strongly suggest that you enable automated testing for security on your code dependencies and core. Some good alternatives to do it are Snyk or Sonatype’s Nexus.
Phase 3: Continuous Integration and Build. When creating the development image/package, you’ll need to make sure that your build tool or system has the proper security in place. It uses https:// protocol, it’s properly hardened and secure, it’s available and protected for attack mitigation or even not accessible via the internet. The tools that you can use here are Jenkins, Circle CI, AWS CodeBuild, Google Cloud Functions, Azure DevOps.
Phase 4: Promotion and Deployment. When deploying to an environment, insert the environment variables through your CI/CD tool and try to manage them as secrets. Proper encryption and management of these are recommended in order to enhance your security protocols.
Phase 5: Infrastructure Security. When your app is deployed, make sure that you have an IDS (Intrusion Detection System). Tools such as OSSEC or Wazuh will help on this matter to protect all your hosts.
Once your code gets to the production, it doesn’t mean that it will be 100% secure. New vulnerabilities are disclosed every day but this cycle will help you and your team to test your code against all the repository of known vulnerabilities, at the time of monitor, configure, reconfigure, adapt and deploy solutions to the environment.
These are the tools you will need to enable in your DevSecOps process:
And these are the processes:
Following these points you are ensuring that your application is following TDD practices improving the code quality, compliance, increasing the number of releases of code to production and reducing the time to market which is essential for any organization.
In the end, I think every organization must make the effort to shift to a DevSecOps methodology or process and come up with a multidisciplinary team with a focus on security. That’s how an organization will transition from doing DevOps to DevSecOps. Allowing all their collaborators to have accountability on the part they are actively developing.
Guillermo Vélez
Filed Under: Blogs, DevOps Practice, DevOps Toolbox, DevSecOps

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