The site of classmates was hacked, the site did not contain a phone number, how can I restore the page now?

Question

Burglary protection

the site was hacked, you need to recover the password, it doesn’t work because it says that the password cannot be recovered because the mobile phone number is not specified in the profile. What can be done to return the page?

Answer 1

To technical support

Answer 2

+ 1 to technical support.
Then, most likely, you will need to take your photo against the background of your account, and hold your passport open on the first page in your hands (almost triple identification). Well, and an active email address that is linked to the social network page.