Deploy Always On Security for Containers

Deploy Zero Trust Container and Kubernetes Security

Deploy Zero Trust Container and Kubernetes Security

Gartner predicts that by 2022, more than 75% of global organizations will be running containerized applications in production – a significant increase from fewer than 30% today.

Though organizations can achieve many business benefits by using Kubernetes and Docker containers in tandem in IT environments, they do come with many vulnerabilities. According to a Forrester survey 43% of respondents indicated that security is a challenge hindering container adoption.

Unisys Stealth® with microsegmentation, encryption and cloaking can help mitigate those vulnerabilities and further secure Kubernetes and container deployments.

Introduction

Docker containers and Kubernetes Orchestration improve software development and add much-needed agility to business systems. Applications can be deployed more quickly as system dependencies are handled outside the application code itself. Both of these technologies speed-up app development and conserve system resources.

Docker and Kubernetes are most frequently used together in large-scale production environments as complimentary products— Docker providing simple, straight forward deployment of container instances, and Kubernetes delivering automated scaling and management of large container deployments. Organizations can achieve the following business benefits by using Docker and Kubernetes in tandem in IT environments:

  • Development Speed – Shorten development cycles by releasing new features/applications faster.
  • Infrastructure Scalability – Scale infrastructure dynamically to meet business demands.
  • Application Availability – Reduce downtime by deploying fixes faster.
  • Cost Reduction – Decrease licensing costs by reducing and eliminating virtual environment and operating system requirements.
  • Portability – Run apps across multiple OS and cloud environments with little or no modification.
  • Performance – Spin up and run containers and apps in a fraction of the time required using VM partitions.

Docker has deservedly seen an explosion of growth since its introduction in 2013. The technology nearly single-handedly launched the ‘cloud native’ movement, providing unparalleled application performance and flexibility for businesses around the world. According to recent studies, Docker now has:

  • More than 2 million Docker developers today.
  • Over 80 billion downloads of Docker.
  • An estimated 5.5 million Docker applications.

These pre-made, readily available open-source applications make Docker containers a natural choice for many businesses, particularly when first utilizing container technology in their environments. Businesses can download, run, and quickly modify open-source applications to suit their needs, without the cost and constraints of VM and host OS licensing costs or their inherent complexities.

Similarly, Kubernetes, with its Pod architecture, can be a highly useful addition to Docker when many microservices need to be spun up in tandem. Each Pod can host multiple microservice containers. However, the single most relevant IT business differentiator between Kubernetes and Docker alone is Kubernetes’ ability to run (and manage) containers across an entire cluster of compute resources rather than the single-node limitation of Docker.

As mentioned, part of the tremendous growth of Docker and Kubernetes is their flexibility and open-source community support. Many organizations “turbo-charge” their development cycles by relying on public domain and readily available Docker images and Kubernetes to run their applications. However, many popular container images may harbor security flaws, some of which have been recently exploited by hackers and phishing attacks.

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