California City Confirms It Was Hit by Bitcoin Ransomware Attack

According to its city manager, Steve Schwabauer, Lodi City, California, was hit by a ransomware attack earlier this year. Those behind it demanded a Bitcoin ransom of 75 BTC be paid for computer systems to be returned to normal.
Schwabauer confirmed that city staff received an email resembling an invoice. Contained within were files to encrypt computer systems relating to various city services.
City Manager Confirms Lodi Will Update Digital Security Following Bitcoin Ransomware
The Lodi City Man