AWS to Quick admins: The access control didn't work, but you weren't using it anyway, so what's the problem?
Summary
Amazon Web Services (AWS) has acknowledged a flaw in its Identity and Access Management (IAM) service where access control configurations for certain services were not being enforced as expected. The company stated that the misconfiguration primarily affected users of AWS CloudFormation and AWS Security Hub, and that the impact was mitigated by the fact that these features were often not being used by the affected customers.
IFF Assessment
This is bad news for defenders as a core security control in a major cloud provider was not functioning as intended, potentially leaving systems exposed if the features were in use.
Defender Context
This incident highlights the critical need for continuous monitoring and validation of cloud security configurations, even within established services. Defenders should be aware of potential misconfigurations in IAM and other cloud services and have robust auditing and alerting in place to detect deviations from expected security postures.