How to find out whether your phone number or email was leaked in the Facebook data breach

Online security website “Have I been pwned” has launched a new feature to let users quickly find out whether their phone number was leaked in a giant Facebook data breach. The personal data of 533 million Facebook users was stolen and placed on a hacking forum on Saturday. The data included their names, email addresses, and phone numbers.

Website “Have I been pwned” has for a long time allowed people to look up whether their emails or passwords were exposed in past data breaches.

Now the latest Facebook breach prompted Troy Hunt, the security analyst who runs the site, to let people search phone numbers too, because the leaked data set contained far more phone numbers than email addresses.
Troy Hunt shared this info on his social media account, You can now search @haveibeenpwned for phone numbers in the Facebook data. Here’s why, and how it works:

Log in to

Enter your email address / phone number (with international prefix before) in the space and hit the button pwned?

In case your email address or phone number are amongst the breaches, it will specify the number of breaches your data was leaked with below message: 
“Oh No – pwned!”

in case your email address or phone number wasn’t leaked then it will display the below message:
“Good News – no pwnage found!”

Hunt said in a blog post he had seen “unprecedented” levels of people using “Have I been pwned” since the Facebook breach became public. He said the new update would only apply to phone numbers leaked in the Facebook breach, and not earlier leaks.

To search for a phone number, users will have to use the international format – i.e. with their country and area codes.

An Indian user would have to add +91, then their area code and then their landline numbers, eg. +9122’00000000′ or a mobile number will be +91’0000000000’

PC – Google

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