Researchers from the firm Verisign iDefense discovered that a hacker who calls himself "Kirllos' being sold in black market forums 1.5 million Facebook account. Although not confirmed the legitimacy of the accounts, the hacker claims that it has sold around 700,000 credentials.

Kirllos offers packages of 1,000 accounts for a price ranging from $ 25 to $ 45 depending on the number of contacts which each user. While it is a very low price compared to similar sales on the black market, krill can still get a lot of money with a high volume of accounts.

Facebook has not confirmed if these accounts are real, but so be, it is an alarming amount of stolen data, which can be used by other criminals for many purposes: from committing fraud to contact the victim, to spread malicious software to massive social network.