Kubernetes network and security monitoring can be enhanced using Hubble and Grafana, as discussed by Anna Kapuścińska, a software engineer at Isovalent. Hubble, built on Cilium, leverages eBPF technology to provide detailed observability of network events, making it easier to diagnose complex networking and security issues in Kubernetes environments. The integration with Grafana, through the Hubble data source plugin, enables visualization of network and security events, helping platform and application teams gain insights using features like flows query, process ancestry tree, and HTTP service map. These features allow users to analyze network flows, process events, and HTTP traffic within a Kubernetes cluster, providing critical insights for debugging and security assessments. The plugin also integrates with data stores like Hubble Timescape, Prometheus, and Grafana Tempo, making it a powerful tool for comprehensive monitoring. The Hubble data source plugin is in beta, with ongoing development to enhance its capabilities, and Isovalent invites user feedback through their community Slack channel.