Zero Trust security for containerized application
Introduction
As its name suggests, the zero-trust principle does not put any trust in applications running inside of containers. This means that neither system, user, or software can be relied on in any way. Thus, authentication and authorization are required for any application or user wanting to communicate with containerized applications.
This Zero trust method is only achievable in a containerized environment with rigorously enforced authentication and permission policies. Reasons for this include the fact that corporations do not put their faith in a single layer authentication process and the fact that modern attackers can use a wide variety of techniques to circumvent security measures. It’s also possible that malicious behavior, including tampering with sensitive data, is already under way in approved processes following valid authentication, when programs receive authorization to access additional applications or processes. Therefore, we need a few more things like network segmentation, the least privilege principle, etc., to cut down on all this and successfully keep the Zero Trust in a containerized environment.
