However, Diachenko said that the database was available online for almost two weeks before it was removed.
Besides this, it was also posted as a download on a hacker forum.
Responding to the incident, Facebook said in a statement that they are looking into the breach.
This is not the first time that Facebook has suffered a data breach.
The data also included Facebook IDs and in some cases names, genders, and countries.
source: www.techworm.net