Well, it's just an AWS Account ID
AWS Account IDs are crucial for cloud security, aiding in resource sharing and reconnaissance. They facilitate IAM entity enumeration, service discovery, and security testing, highlighting AWS footprint insights for potential attacks. An upcoming course on securing AWS environments is recommended.
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The article discusses the significance of AWS Account IDs in the context of cloud security. It explains that these 12-digit identifiers are crucial for resource sharing within and outside AWS accounts. The piece highlights how knowing an Account ID can aid in enumerating IAM entities, discovering services in use, finding public resources, correlating leaked resources, and evading detection. Real-world examples and tools like validate_iam_principals.py and Trufflehog are mentioned to demonstrate the practical implications of leveraging Account IDs for reconnaissance and security testing. The author emphasizes that while Account IDs themselves may not pose a direct security risk, they play a vital role in facilitating various cloud attacks by providing insights into an organization's AWS footprint. The article concludes by promoting an upcoming course on securing AWS environments to prevent unintended exposure of resources and enhance overall security posture.
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10 commentsSo if a company has a user for every dev with username first.last, you could list all devs just by knowing the Account ID?
Maybe the author misunderstood what “enumerate” means and meant to say that you can check if a given IAM entity exists under the account? Enumeration and bruteforce are very different things.
> Here's my take: The Account ID is useless and not a direct weakness.
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