According to the reports, online hackers have swiped all the personal information connected with approx 500 million Yahoo users. And they suffered a lot because in the year 2013 their personal data like email addresses hashed passwords, birthdays, phone numbers, names, and security questions were compromised. After seeing the high growth of cybercrimes, Yahoo introduces Yahoo 2 step verification. Hackers try their level best to get your password and into your account. For this, you need an extra layer of security, so that you dont lose your account data.