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Top Security Risks Facing Software Deployments

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Security Risks Facing Software Deployments

What Is Software Deployment?

Software deployment is the process of configuring, updating, and deploying software applications. It is typically integrated into the software development lifecycle as part of the continuous integration and continuous delivery or continuous deployment (CI/CD) pipeline.

Depending on your needs and resources, you can deploy software manually or automatically. When integrated into the CI/CD pipeline, manual deployment is typically part of the continuous delivery process, as the continuous deployment process fully automates this process and does not require human intervention.

Large software deployment rollouts typically involve small releases to reduce the strain on the system and minimize disruptions to users. It often requires post-deployment support and helps during the process. Vendors utilize software deployment to keep their software up-to-date, providing customers with security patches, performance fixes, and new features.

Why Is Security Critical to Software Deployment?

Supply chain attacks target and attack insecure elements of the software supply chain. They can harm specific software products, organizations, or even industries. These attacks target software developers and software vendors, to infect legitimate systems and applications, gain access to source code, build processes, and update mechanisms, and using these to distribute malware or other cyber threat vectors.

The software supply chain includes: 

  • Systems used in the development lifecycle, including build systems, development and test environments
  • People and organizations involved in the process, such as consultants or freelancers, development service providers, partners who store or process data, and cloud services.
  • Components included in a software project, including open source and third-party proprietary software.

Supply chain attackers look for insecure network protocols, server infrastructure, development tools, or coding practices. They penetrate these systems, and typically modify source code or libraries to inject malware into the build and update process.

These apps and updates are signed and certified because the software is built and released by a trusted vendor. In attacks on the software supply chain, vendors may not be aware that their applications and updates have been infected with malware when they are released to the public. Malicious code can then run with the same trust and privileges as the application – making it difficult to detect and protect against.

Security Risks Facing Software Deployments

Supply Chain Attacks

Software applications often rely on dependencies for core functionality, which can represent a risk for organizations. Another risk is that complex CI/CD pipelines publish source code to repositories and deploy it – this supply chain includes several parties, including organizations, individuals, resources, technologies, and activities related to the creation and sale of software products. Supply chain attacks target vulnerable actors in the supply chain and compromise other actors that rely on them.

Insecure Code

A modern development lifecycle is designed for rapid development and delivery. To support this purpose, the CI/CD pipeline includes a growing number of open source components and third-party integrations. However, rapid development without adequate security can introduce vulnerabilities and put your pipeline at serious risk.

Vulnerabilities in CI/CD pipelines can result from poor third-party integration and lack of code scanning of source code components. Failure to properly follow code security best practices can significantly increase the attack surface. Common code vulnerabilities include buffer overflows, code injection vulnerabilities, and insecure error handling.

Poisoned Pipeline Execution (PPE)

One of the recently discovered attack methods used by hackers against CI/CD pipelines is poisoned pipeline execution (PPE).

PPE uses code injection and execution cleverly to create a path into production systems. By infecting the CI/CD pipeline and build configuration, attackers are free to execute malicious code during the build process.

In other words, this malicious code runs entirely in the context of entities identified as an integral part of the pipeline.

The most serious danger of PPE attack vectors is that they can easily spread from simple product delivery mechanisms to attacks on broader supply chains, making them very difficult to contain.

Insecure System Configuration

A CI/CD system includes many infrastructure, network, and application configurations. This configuration has a significant impact on the security posture and cyberattack vulnerability of the pipeline. This is why attackers are actively looking for potential CI/CD misconfigurations and exploitable vulnerabilities, and can use them to compromise the pipeline.

Security Best Practices for Software Deployment

Use Pentesting

Automated testing can detect many security issues before release, but there may still be potential vulnerabilities that go unnoticed. To minimize this risk, it is a good idea to allow human penetration testers to test your application. These ethical hackers try to break into applications, detect vulnerabilities, find potential attack vectors, and can help protect systems from real attacks. A penetration tester is an outside expert who is not involved in the project, so they can see the system from the perspective of an external attacker.

Make Security a Part of All Phases of Your Software Supply Chain

Adding security as the last step of the SDLC is widely understood to be inefficient. Security should be added at every step of the process. This is the only way to fully secure fast paced, modern software development environments, especially microservices architectures and cloud native deployments.

DevSecOps is a management approach that combines application development, security, operations, and infrastructure as code (IaaS) in an automated continuous delivery cycle.

The primary purpose of DevSecOps is to automate, monitor, and enforce security at all stages of the software lifecycle: planning, developing, building, testing, releasing, delivering, deploying, operating and monitoring. Applying security at every stage of the software development process enables continuous integration, lowers compliance costs, and speeds software delivery.

DevSecOps requires all employees and teams to be accountable for security from the start, and make effective decisions that do not compromising security.

Use GitOps Practices

GitOps is becoming an essential way to secure Kubernetes-centric, cloud-native CI/CD. It provides rapid deployment with enhanced security.

According to many leading software developers and engineers, GitOps is a useful set of practices for Kubernetes environments, especially when the resources of a single cluster are shared by multiple users or teams.

GitOps works with Kubernetes features like namespaces, to make resources available to multiple tenants in a secure way. These practices work by maintaining isolation between users and reducing security and integrity risks. This is especially useful when multiple people or teams are making changes simultaneously.

Models like GitOps allow you to track and approve changes made by users before the final build. This is not only useful for managing app updates, but also for rolling back to a previous version in case an update fails.

Never Use the Default Configurations

If you’re using an open source platform like Kubernetes, it’s especially important not to use the default configuration. The default configuration focuses on commercial, operational, and functional success rather than security, and will usually not provide a strong security posture. Also, they are widely known and can be abused by anyone. 

For example, default Kubernetes does not have network segmentation policies for deployments, allowing any pod to communicate with any other pod. This default setting is ideal for developers who want to quickly build applications, but in a production environment, if a single container is infected, this default setting can allow the threat to spread quickly.

Conclusion

In this article, I explained the basics of software deployment and provided the following best practices to improve deployment security:

  • Use Pentesting—A penetration tester is an outside expert who is not involved in the project, so they can see the system from the perspective of an external attacker.
  • Make Security a Part of All Phases of Your Software Supply Chain—Security should be added at every step of the process. This is the only way to fully secure fast paced, modern software development environments.
  • Use GitOps Practices—GitOps is an essential way to secure Kubernetes-centric, cloud-native CI/CD. It provides rapid deployment with enhanced security.
  • Never Use the Default Configurations—The default configuration focuses on commercial, operational, and functional success rather than security, and will usually not provide a strong security posture. 

I hope this will be useful as you improve your software deployment security.

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Waqas is a cybersecurity journalist and writer who has a knack for writing technology and online privacy-focused articles. He strives to help achieve a secure online environment and is skilled in writing topics related to cybersecurity, AI, DevOps, Cloud security, and a lot more. As seen in: Computer.org, Nordic APIs, Infosecinstitute.com, Tripwire.com, and VentureBeat.

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