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Binary Validation or Two-Step Verification Became an Important Tool to Protect Accounts of Different Networks and Social Services Apple has enabled users to secure Apple accounts with dual authentication, forcing users to provide Additional Information. Sign in to their accounts, then send a six-digit verification code to all devices associated with the same Apple ID, and the card will show a nearby location on all devices if there is a suspicious login attempt.
Prerequisite:
• IPhone / iPad with iOS 9 or higher.
· Macbook with OS X El Capitan or later
How to enable dual authentication
for iPhone / iPad users:
1. Open the settings and press the option Apple ID
2. Go to the Password and Security option and click on "Two Factor Authentication".
3. On the next page, tap Continue.
4. Confirm that the phone number is correct or enter a new phone number by clicking on Use another number at the bottom of the screen.
5. Now choose between a text message or a phone call as a verification method.
6. Press next to enter the received code.
For MacBook users:
2. Open the account details and click the Security tab
3. Click Enable Two-Factor Authentication, and then click Continue on the
drop-down panel. Make sure it is correct Enter your phone number and press Continue.
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