Facebook later explained that it was not a cyber attack, but the phone numbers were “extracted” with an automated tool. The Menlo Park company has now provided more information on how it will contrast this technique known as scraping. In the name of transparency some data relating to the fight against counterfeiting and piracy were also communicated.

Facebook, scraping and phone number enumerationscraping can be made with authorized systems (e.g. The external data misuse team has been created with over 100 people who have the task of detecting and blocking suspicious activities associated with scraping. Facebook also adopted restrictions on the amount of data that can “exit” from the social network.

A particular technique of scraping is called “phone number enumeration“. Using automated tools you can find information about people from their phone numbers.