Apple’s two-factor authentication is similar to its two-step
authentication. But the way they secure your Apple ID is slightly
different.
According to Apple:
“Two-step verification is a security feature for Apple ID that’s
designed to prevent anyone else from controversy or using your account,
even if they know your password.”
“Two-factor authentication is an extra layer of security for your Apple
ID designed to ensure that you’re the only person who can access your
account, even if someone knows your password.”
Let’s learn more about the differences between two-factor authentication and two-step authentication.VPN service
How to enable them?
To turn on two-step verification, you need to go to your Apple ID
account page. You need to register one or more trusted devices when you
enable two-step verification. During registration, each device will
receive a verification code. All these trusted devices should also use
Find My iPhone or SMS.
While two-factor authentication is only available when you are using iOS
9 or later or OS X El Capitan or later. You should enable it on an iOS
or macOS device on which you have logged in with your Apple ID. And it
would be much easier to set trusted devices because all devices that
have logged in to iCloud will be automatically registered as trusted
devices.
How do they work?
When logging into your Apple ID on an untrusted device or browser, both
security methods will request an additional verification code to verify
your identity.
After entering your Apple ID account and password, you will be asked to
select a trusted device or phone number to receive a 4-digit
verification code if you use two-step verification.
If you use two-factor authentication, you will get login alerts on all
your trusted devices. And you can also choose a trusted phone number to
receive the verification code.
Unlike two-step verification, the verification code will be extended
from 4 digits to 6 digits and the login alert will show you the
approximate location of this untrusted device. Besides, you can choose
whether to allow the login attempt on any new devices. When you click on
“Allow”, a 6-digit verification code will be automatically displayed on
the device. If someone else is trying to sign in to your Apple ID on
other devices, you can tap “Don’t Allow” to reject the login attempt.
Once you make a choice on one device, the login alerts on other trusted
devices will automatically disappear.
Verification code
Only iOS devices can receive a verification code when you turn on
two-step verification. You might get problems with your login when the
trusted devices are offline because you can’t receive a verification
code for two-step verification.
Both iOS and macOS can receive the verification code when you use
two-factor authentication. You can still get a two-factor authentication
verification code even if your trusted devices are offline, greatly
improving your user experience.
What if you forgot your password?
To log in to your Apple ID for which you enabled two-step verification,
you have to get two of the three things: password, recovery key or a
trusted device. When you forgot your password, you can use a recovery
key and trusted device to regain access to your Apple ID.
When you use two-factor authentication, you will not be able to access
your Apple ID with a recovery key if you forget the password. Instead,
you will regain access to your Apple ID via account recovery. You can
provide as detailed information as possible to shorten the waiting time.
To draw a conclusion, you’d better turn on two-factor authentication if
it is available to you. Besides, we strongly recommend you secure your
device with a reliable VPN.When comes to the issue of online privacy and
security, we suggest to use a VPN, and our recommendation is
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