Running IT

Identity and Access

Who can sign in to what, and how access is granted and reviewed.

Authentication Versus Authorization

Authentication proves who you are; authorization decides what you may do. Learn the difference with everyday examples and why mixing them up causes problems.

4 min read

How Multi-Factor Sign-In Works

See why requiring a second proof of identity adds protection, which kinds of factors exist, and the practical limits and trade-offs of each approach.

4 min read

Managing Shared and Service Accounts

Shared and service accounts are not tied to one person, which creates accountability and security risks. Learn practical ways to inventory, limit and control them.

4 min read

Running an Access Review

Learn how to run a periodic access review: define scope, gather permission lists, ask reviewers the right questions, record decisions and follow through.

4 min read

Single Sign-On for Everyday Users

Single sign-on lets one sign-in unlock many applications. See how it works in everyday terms, what it improves, and the trade-offs organizations should weigh.

4 min read

The Principle of Least Privilege

Least privilege means giving people and systems only the access their work needs. Learn why it limits damage from mistakes and attacks, and how to apply it.

4 min read

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