The article delves into the significance of AWS Account IDs in the security community, highlighting their importance in sharing resources between accounts and with external vendors. Surprisingly, just knowing an Account ID can allow a malicious actor to gather valuable information for attacks, such as phishing or identifying public resources. The author emphasizes the power of Account IDs in recon and red team processes, stressing the need to secure AWS environments to prevent unintended exposure of assets. The article concludes by promoting an upcoming course to help teams improve their AWS security posture at a discounted rate.
https://mail.cloudsecurity.club/p/well-just-aws-account-id