![]() Containerized environments have many more components than traditional VMs, including the Kubernetes orchestrator that poses its own set of security challenges.A single compromised container can lead to other containers being compromised. Containers, unlike VMs, aren’t necessarily isolated from one another.Another security risk arises from a lack of visibility into an ever-changing container environment. Containers have short life spans, so monitoring them, especially during runtime, can be extremely difficult.Images can also contain vulnerabilities that can spread to all containers that use the vulnerable image. Containers rely on a base image, and knowing whether the image comes from a secure or insecure source can be challenging.Containers enable microservices, which increases data traffic and network and access control complexity.Containerization introduces several new challenges that must be addressed. Security for that infrastructure involved securing your application and the host it’s running on and then protecting the application as it runs. 8 container security challenges you must address for DockerĬompanies have long deployed applications on virtual machines (VMs) or bare metal servers. Finally, we provide you with 11 key security questions your container security platform should be able to answer, giving you the insights and protection you need to run containers and Kubernetes securely in production. We also share best practices for securing Kubernetes, given its massive adoption and critical role in orchestrating containers. ![]() This article focuses on container security by highlighting Docker container security risks and challenges as well as providing best practices for hardening your environment during the build and deploy phases and protecting your Docker containers during runtime. ![]() We have briefly covered host security in a previous blog article. Securing Docker can be loosely categorized into two areas: securing and hardening the host so that a container breach doesn’t also lead to host breach, and securing Docker containers. A single compromised Docker container can threaten all other containers as well as the underlying host, underscoring the importance of securing Docker. However, building apps using Docker containers also introduces new security challenges and risks. According to Gartner, by 2020, more than 50% of global organizations will be running containerized applications in production. Docker is by far the most dominant container runtime engine, with a 91% penetration according to our latest State of the Container and Kubernetes Security Report.Ĭontainerization has many benefits and as a result has seen wide adoption. ![]() Containers, along with orchestrators such as Kubernetes, have ushered in a new era of application development methodology, enabling microservices architectures as well as continuous development and delivery. ![]()
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