Discovering AWS Account IDs of Private S3 Buckets Using CloudTrail and IAM

Learn how to uncover AWS Account IDs of private S3 buckets through an innovative technical presentation from Tracebit's CTO Sam Cox. Explore a groundbreaking technique that leverages the interaction between IAM condition keys, VPC Endpoint policies, and CloudTrail to reveal account information previously only accessible for public buckets. Dive deep into cloud security concepts as Cox, drawing from his experience building cloud-native SMTP gateways at Tessian, demonstrates this intricate method step-by-step. Examine the broader implications of S3 bucket Account IDs becoming public and discover potential applications of similar approaches in other cloud security contexts. Master advanced cloud security concepts through this 23-minute technical talk that challenges conventional understanding of AWS S3 bucket privacy.