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Cyber Security Academy · Lesson

Common Cloud Misconfigurations

Identify exposed S3 buckets, public snapshots, insecure security groups, and default credentials.

Why Cloud Misconfigurations Matter

Misconfigurations are the leading cause of cloud data breaches. Unlike traditional on-prem vulnerabilities that require exploiting software bugs, cloud misconfigurations are often self-inflicted and trivially exploitable by anyone on the internet.

Public S3 Buckets

S3 buckets with public read access expose any stored data to the internet. Attackers scan for open buckets using tools like GrayhatWarfare. Prevention: S3 Block Public Access at account level, S3 Object Ownership enabled, bucket policies audited regularly.

All lessons in this course

  1. Cloud IAM: Roles, Policies, and Least Privilege
  2. Common Cloud Misconfigurations
  3. Cloud Security Posture Management (CSPM)
  4. Container and Kubernetes Security
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