https://www.bleepingcomputer.com/news/security/new-kubernetes-malware-backdoors-clusters-via-windows-containers/

New malware active for more than a year is compromising Windows containers to compromise Kubernetes clusters with the end goal of backdooring them and paving the way for attackers to abuse them in other malicious activities.

Kubernetes, initially developed by Google and currently maintained by the Cloud Native Computing Foundation, is an open-source system that helps automate the deployment, scaling, and management of containerized workloads, services, and apps over clusters of hosts.