Cybercrime is a big threat for our users today. We share information on our account and make sure that it remains secure now and then. If you are facing a problem that someone has used your account, then, in that case, our Facebook Help service is very reliable and users can grab the opportunity by make a call on our Facebook customer number. We are always available to our customers 24/7 call at 1-855-431-7111. https://www.customer-service-phonenumber.com/facebook-customer-service-number/