Kindly save your WhatsApp by getting hacked

Now a days you all reading news bout WhatsApp getting hacked , do you know how this happen..
1. When you get an call asking you for OTP
2. Bypass method in which you don't have to give your OTP this can be done by dialing *401*any number (call forward)
To prevent this kindly
Go to WhatsApp= setting =security notification and activate it
Then in setting start two step verification and insert your password+email id (do remember that passcode)
Then in setting go to privacy and scroll down and you will see protect ip just witch it on.
Note:
Don't share any OTP
Nor pin to anyone