Ransomware attackers use malicious software to block access to data and demand ransom in return, oftentimes deploying the threat to make proprietary data public.
Source: https://www.coindesk.com/fincen-issues-advisory-on-ransomware-attacks
FinCen Warns on Ransomware Attacks, Notes Increased Targeting of Government Entities
October 1, 2020
CoinDesk
