A new wave of attacks is targeting unsecured MongoDB database servers and wiping their content attempting to extort a ransom to the victims. Attackers wipe the content of the databases and are demanding the payment of a ransom. They are threatening to leak the stolen data and report the owners for a violation of the EU privacy regulation. The ransom note informs the victims that their database has been wiped after the data was backed up by the attackers that are demanding 0.015 BTC ($135) to recover them.”]
Source: https://securityaffairs.co/wordpress/105485/hacking/hackers-mongodb-database.html