A hacker was trying to extract money from administrators of around 22,900 MongoDB databases that are accessible without a password, said a media report.
The ransom note put on each of the databases asks for a 0.015 bitcoin (approximately $140) payment, ZDNet said in a report this week, adding that the ransomed databases account for roughly 47 per cent of all MongoDB databases exposed without password.
Most of these databases that are exposed online are due to misconfiguration resulting from honest mistakes.