WhatsApp brings Two-Step verification

• The new two-step verification is optional but your WhatsApp account is probably the one you want to secure first.
• The company assures that once two-step verification enabled, any attempt to verify phone number on WhatsApp will require the six-digit passcode that is created by the user.
• Currently, the two-step verification feature is available only for beta users, we can expect it to be rolled out to all users in coming weeks.
• On Android, beta app users running version 2.16.341 or above will be able to enable the two-step verification. Windows 10 Mobile beta user, running version 2.16.280 of WhatsApp can enable the security feature.
• To set up two-step verification for WhatsApp, you need to take the following steps:

1. Open WhatsApp
2. Go to Settings
3. Go to Account
4. Look for Two-step verification
5. Tap on Enable
6. On the next screen, enter six-digit passcode.
7. Next, re-enter six-digit passcode.
8. Optionally, add your email address on the next screen.

• In the last step - optional, as mentioned - WhatsApp asks for an email address to link with your account.
• This email address will let WhatsApp to send a link via email to disable two-step verification in case user forgets the six-digit passcode.
• Remember that in case you user forget the six-digit passcode, WhatsApp won't permit re-verifying the account within seven days of last using WhatsApp.
• "After these seven days, your number will be permitted to re-verify on WhatsApp without your passcode, but you will lose all pending messages upon re-verifying - they will be deleted. If your number is re-verified on WhatsApp after 30 days of last using WhatsApp, and without your passcode, your account will be deleted and a new one will be created upon successfully re-verifying," the WhatsApp team.

Source: AndroidCommunity