The importance of container image security in IT is being emphasized due to the increasing demand for operational costs and security threats. Many groups are pushing towards vulnerability-free container images, as containers can still pose a significant security issue. If a container is created based on a vulnerable image, it could introduce the vulnerability to a live environment. This can protect data for entire systems. Container security is based on images that hold executable code and operate in isolation on information technology infrastructure. The author suggests that while container images are considered secure, new vulnerabilities can be exposed. Key strategies include access control on container images and regular updates on images and container engines.