Turn on two-step verification

Add a second lock to your most important accounts, most important first.

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Before you start

Know what you're turning on
Two-step verification (also called 2FA) asks for something extra after your password, usually a code from an app or a tap on a security key. Someone who steals your password still can't get in.
Choose a method
Best: a passkey or a security key. Good: an authenticator app. OK: a code by text message. It's better than nothing, but criminals can sometimes move your number to their own SIM card.
If you chose an authenticator app, install one
Get a well-known one from your phone's official app store. Many password managers can keep the codes too.

Your main email account
Whoever controls your email can reset almost every other password. Look in the account's security settings for "2-step verification" or "two-factor authentication".
Your Apple or Google account
Your bank and payment apps
Social media and messaging apps
Shopping sites and other accounts with a saved card

Save the backup codes
Most sites give you a set of one-time codes. Print them or keep them in your password manager, not only on your phone.
Add a second way in
For example a second security key or a backup phone number.
Move your codes before you change phones
Many authenticator apps can transfer codes. Check before you reset, sell or trade in your old phone.

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