Y

Identity and access management · Intermediate · 6 h

Least privilege in practice

Policy structure, scoping actions and resources, roles and temporary credentials, explicit deny, and workload identity for CI and services.

Why employers care: Engineers who write tight, reviewable permissions prevent the most common cloud security failures, and interviews for cloud, DevOps and security roles test it directly.

In the roadmaps for: DevOps / Platform Engineer, Cloud and Network Engineer, Cybersecurity Engineer

Lessons, in order

  1. Least-privilege policies you can testWrite a policy that lets a reporting job read exactly one folder of one bucket, and prove what it can and cannot do.4 min
  2. Roles, temporary credentials and explicit denyLet a CI pipeline deploy with short-lived credentials from a role, and add a deny that protects old releases even though the role can delete other files.4 min