The Proctor school district was hit by a malicious computer software ransomware attack on December 2017.
Superintendent John Engelking noted that while student data and payment information were unaffected, the hacker was able to secure some information stored in Microsoft Word files.
Only the machines that were left on over the weekend at the middle and high schools were impacted.
They demanded for $6,000 in bitcoin, a digital currency but they denied to pay the ransom.
Source: https://www.duluthnewstribune.com/news/proctor-schools-hit-by-ransomware-attack
"id": "PRO181726223",
"linkid": "proctor-school-district",
"type": "Ransomware",
"date": "12/2017",
"severity": "75",
"impact": "2",
"explanation": "Attack limited on finance or reputation"