Seattle, WA
December 10–13, 2018
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Thursday, December 13 • 4:30pm - 5:05pm
Shopify’s $25k Bug Report, and the Cluster Takeover That Didn’t Happen - Greg Castle, Google & Shane Lawrence, Shopify

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In May, a security researcher reported a vulnerability in a Shopify microservice and demonstrated how it could be used to access keys from the Google Cloud metadata API. This could have led to a cluster takeover, for which Shopify awarded $25k through its bug bounty program.

Shane will share his experience responding to the report, analyzing Kubernetes audit logs, and hardening the cluster to block the escalation path. Together, Greg and Shane will describe some example Kubernetes audit log queries that can help discover unusual activity in the form of Kubernetes API access, and assess the impact of credential exposure, such as in this report. The collection of example queries will be released for use by the Kubernetes community and we will also share some hardening best practices.

avatar for Greg Castle

Greg Castle

Kubernetes/GKE Security Tech Lead, Google
Greg is the tech lead for the Kubernetes and Google Kubernetes Engine (GKE) security team at Google, and is a regular at SIG-Auth. Greg has 15 years of experience in a number of security roles including product security, penetration testing, incident response, platform hardening... Read More →
avatar for Shane Lawrence

Shane Lawrence

Senior Infrastructure Security Engineer, Shopify
Shane is a Senior Security Infrastructure Engineer at Shopify, where he's working on a multi-tenant platform that allows developers to build secure, scalable apps and services. His previous work includes SIEM and Log Management at CGI MSS, and IDS Engineering at CFNOC.

Thursday December 13, 2018 4:30pm - 5:05pm PST
Ballroom 6C