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Containers are a streamlined way to build, test, deploy and redeploy applications easily on multiple computing environments, including the cloud. Containers have many benefits, including scalability, agility, cost reduction and rapid application
development. While containers are advantageous to development teams, they bring new information security risk and potential threats to the organization.
Resource-efficient containers have seen increased use in production environments over the past decade and the market is booming, especially within cloud services. Containers enhance the modularization of software development, but faster software development
cycles tend to take the focus away from security. In addition, container environments are complex, making container security more challenging than other information security processes.
This piece explains why container security is important and provides best practices for teams to collaborate and build a solid container security plan that minimizes organization risk.
Containers present many challenges to security teams, including:
A wide range of threats target containerized environments, including attacks against container images, authentication, application and network vulnerabilities, resulting in significant amounts of data and financial theft. Container images must be scanned
on a regular basis to make sure they're not running with known and exploitable vulnerabilities. Bad actors have been known to compromise containers and use them to run illicit crypto-mining operations or even break out of containers and attack the
rest of the enterprise.
Strong container security collaboration and planning is critical for organizations to mitigate risk and reduce vulnerabilities across an ever-growing threat environment.
Container security implements security tools and policies to protect container-based workloads and ensure containers run smoothly. It should include infrastructure protection, software supply chain and runtime security, and everything else in the process.
Making security an integral part of the container environment can be challenging. Begin with four foundational areas:
To address the potential security concerns and increased complexity of the container security environment, NIST provides a detailed container security guide. The guide
provides comprehensive information and recommendations for building container security.
READ: Top 10 Container Security Tools for the Cloud
Good container security requires building a solid communications plan and alignment with IT operations, developers and security.
Make sure to review the container environment and address security needs with design, deployment and visibility in mind. Track metrics and document objectives before pushing out directives, and ensure development teams receive new process training
to ease the transition. To secure the container environment:
Once teams are aligned, target key functional areas to tighten, including container development, registries, runtime environment and orchestration, as well as the underlying network and architecture. When physically securing containers, developers and
security teams must also focus on:
Container security starts with a solid foundation to build a complete container strategy that fits into the organization’s security strategy. The process of securing containers is continuous. It must be integrated into your software development
lifecycle (SDLC) and extended into the maintenance and operation of the organization’s security infrastructure. Security must be a top concern in container development to reduce vulnerabilities, improve security posture and mitigate business
risk across an escalating attack surface.
Although reasonable efforts will be made to ensure the completeness and accuracy of the information contained in our blog posts, no liability can be accepted by IANS or our Faculty members for the results of any actions taken by individuals or firms in
connection with such information, opinions, or advice.
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