Spammers looking to make money behind recent data breach, says Facebook

Facebook Inc has tentatively concluded that spammers looking to make money, and not a nation-state, were behind the largest-ever data theft at the social media company, the Wall Street Journal reported on Wednesday.

The people behind the attack were a group of Facebook and Instagram spammers that present themselves as a digital marketing company, and whose activities were previously known to Facebook's security team, the Journal reported, citing people familiar with the company's internal investigation. 

Last week, Facebook said that cyber attackers had stolen data from 29 million Facebook accounts using an automated program that moved from one friend to the next,