Two-factor authentication (2FA), also known as two-factor verification or multi-factor authentication is an extra layer of security for your online accounts. Rather than just using a password to access your account, you will also need something else to authenticate yourself. This may come in the form of:
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An SMS text message containing a security code sent to your phone
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A physical device such as a USB key or smart card
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An authenticator app on your mobile device (these generate security codes linked to your accounts)
- Biometrics such as retina, fingerprint or face scanning
2FA may seem like a hassle, but it makes it much more difficult for cyber criminals to steal your data and money. 2FA is a valuable security feature and should be used wherever possible.
So, what kind of websites should you consider using 2FA?
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Online banking (most banks now use 2FA by default)
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Email clients (e.g. Gmail, Yahoo, Hotmail etc.)
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Online stores (particularly those which have your bank details stored)
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Social media (e.g. Facebook, Snapchat etc.)
- Any other sites that contain information you wouldn’t want a stranger knowing
You can check to see what popular websites support 2FA here: https://2fa.directory/
