K8s, also known as Kubernetes, is an open-source platform used to automate deploying, scaling, and operations of application containers across clusters of hosts. However, like any other system, it's not immune to hacks and threats. The term 'K8 hack' refers to the act of exploiting vulnerabilities within the Kubernetes system. A Kubernetes hack can be detrimental, causing serious damage to the whole operational workflow. It can lead to data breaches, unauthorized access, and even total shutdown of the system. Therefore, it's crucial for organizations and developers using Kubernetes to have a strong understanding of its security measures and potential vulnerabilities. To combat K8 hacks, one should always keep the system updated with the latest patches and security upgrades. Besides, implement strong access control measures, regularly check for any suspicious activities, and use tools to detect and mitigate any potential threats. Remember, a secure Kubernetes system is not just about avoiding K8 hacks, but also about creating a secure environment for your applications to run.