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Short lessons that explain one thing properly. Search for a word, or pick a subject and read it through from the basics.
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6 of 58 lessons about Accounts, beginner level Show all lessons
Identity, passwords and access
Proving who is signing in: multi-factor authentication, passkeys, password managers and single sign-on.
4 of 6 lessons shown
- Multi-factor authentication: what it is and where to start A password plus a second proof that it is really you. The types, which are strongest, and the accounts to protect first. Beginner 2 min read
- What is a password manager? A password manager creates, stores and fills in a different password for every account. What it does, how to protect it, and how to start. Beginner 3 min read
- What is a passkey? A passkey signs you in with your fingerprint, face or PIN, with no password to type. How it works, where it is kept, and what happens if you lose the phone. Beginner 3 min read
- What is single sign-on (SSO)? Single sign-on lets staff sign in once and open every work app. How it works, what it gives a business, and the one account you then have to protect. Beginner 3 min read
Data security and encryption
How data is kept unreadable to anyone who should not see it: encryption, certificates, TLS and hashing.
1 of 8 lessons shown
Cloud computing
What the cloud is and how it works: service models, virtual machines, containers and serverless.
1 of 7 lessons shown
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