Justin O’Leary is a security researcher focused on cloud-native infrastructure vulnerabilities. His work on confused deputy flaws in Kubernetes operators has uncovered privilege escalation paths in Config Connector, AWS Controllers for Kubernetes, Azure Service Operator, and Crossplane. He presented this research at Black Hat USA 2026 and will be speaking at KubeCon NA 2026. By day, he serves as Principal Bioinformatics Engineer at Children’s Hospital of Philadelphia.