In the development field, the security of delivered products and applications is a crucial issue. Security must be integrated into the entire project lifecycle, from development to deployment, using flexible methods and the DevOps approach. This approach guarantees an optimized security from development to delivery with continuous integration of products. Developers now can take primary responsibility for security when writing code, security testing and his performance throughout the development process. 

I - Why should security be considered from the beginning of the project life cycle? 

The later you discover a vulnerability, the more expensive it is to fix; that's why organizations are going through a new dynamic, the DevSecOps model.

To accompany the Shifting left approach, "Security as Code" represents this new era, bringing security at the speed of DevOps.

DevSecOps means strengthening the code, at the same time of the creation. This can be done by incorporating automated security policies, testing and analysis at every stage of the CI/CD pipeline to continuously detect vulnerabilities and false/positives in the Dev phase before the production phase. This action saves time and effort to resolve issues after deployment.

"Security is the backbone of software developers. Today, it is vital for an application to run properly to integrate security at the early development process. Without considering security early on, the application's time to market is bound to be delayed or even compromised. Ultimately, DevSecOps and SecDevOps are slightly different approaches but with the same overall goal: to deliver software quickly while avoiding security flaws…" said by Stéphane de Saint Albin, Vice President, Application & Cloud Security and President, Rohde & Schwarz Cybersecurity SAS.

DevOps brings development and operations together for a more efficient software lifecycle and significantly reduces application/software development time. DevSecOps was born as an answer to the security problem by bridging the gap between continuous release cycles and security needs by addressing the security at every stage of the SDLC. The DevSecOps approach has moved security to the left, advocating the implementation of security practices from the earliest stages of planning and design, through development and testing. Via this approach, developers take primary responsibility for security when writing code, and security testing is performed throughout the development process, not after it is complete. It doesn't matter if it's called DevSecOps or SecDevOps, as long as security in the SDLC is managed and implemented. 

II - How to implement the DevSecOps model? 

The DevSecOps model involves integrating security into the application development process from build to run. This requires new tools and the adoption of a new corporate culture. DevOps teams must automate security to protect the overall environment and data, as well as the continuous integration/distribution process.

To secure application delivery, you may discover a number of nascent technologies such as SCA, SAST, DAST, IAST, WAF, RASP, in the pipeline. Depending on your end goal and the maturity of your software development efforts, you must decide which technology is best and meets the needs of your DevSecOps team.

Today, the new trend is Security as Code, which builds on the benefits of both the above concepts, by describing security, close to the source code, in a simple, repeatable, and automatable way. As the name suggests, you have to define security, in a simple configuration file, as code.

SAST, SCA, DAST, and cloud-native application protection solutions are clear markets that allow organizations to have security in the process of building and test phase.

In addition, cloud-native application protection solutions, such as R&S®Trusted Application Factory, not only protect the runtime phase of your application, but also provide tools during the building phase to increase the level of your applied security policy.

R&S ®Trusted Application Factory is a solution for DevSecOps teams with the objective of adding security, simplicity and visibility:

●    Security: by integrating security as close as possible to the application, it is possible to define more precise and relevant security. This security layer is deployed in the form of micro-WAF so that it can be scaled up or down along with the application. The very fact of including the security configuration inside the application code allows to keep the security up to date and aligned with the application version.

●    Simplicity: to simplify collaboration, you need to integrate the security solution into the DevSecOps teams' world. This means using the same tools, languages and concepts.

●    Visibility: it is necessary to provide visibility to the various users and managers: developers, infrastructure and security. R&S ®Trusted Application Factory follows the application from its conception to its execution in production, and provides indicators on its security throughout its life cycle.

III - Security for business development

However, being innovative is not enough. You need to ensure that your innovations reach your potential customers quickly, or at least before they become mainstream. In today's fiercely competitive world, time-to-market (or speed-to-market) is one of the most important differentiators for applications. It contributes not only to customer satisfaction, but also to the company's revenue and market share growth.

Companies must balance their time to market and level of innovation with another critical factor: application security. The absence of this third factor can weaken your overall goal of delivering a rich customer experience. The interplay between these three elements can actually determine your application's success in the marketplace.

Imagine that you manage to get your application to market in a hurry, but it doesn't meet customers' expectations in terms of innovation or security? This will open the door for your competitors to triumph.  Implementing a DevSecOps approach can help you in this difficult balancing act. Analyze the three aspects mentioned in your application delivery process now, to see if your organization is on the good path of achieving the desired results. "Security as Code" represents this new era, bringing security at the speed of DevOps. DevSecOps was born as an answer to the security problem by bridging the gap between continuous release cycles and security needs.


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