Hacker Days: Kubernetes Security: From Control Plane to Layer 7 (2020)
Hacker Days: Kubernetes Goat (2020)
Kubernetes from a Attacker's Perspective (2020)
Webinar: Kubernetes Security Best Practices for DevOps (2019)
Hacking and Hardening Kubernetes Clusters by Example [I] - Brad Geesaman, Symantec (2017)
Effective RBAC - Jordan Liggitt, Red Hat (2017)