The Jerome School District suffered some internet and phone issues after falling victim to ransomware.
To obtain the encryption key, they must pay a firm money, after which they can simply restore files, but the district did not pay them, but they do have backups of files and will be restoring them.
Source: https://www.kmvt.com/content/news/Jerome-School-District-falls-victim-to-ransomware--463510223.html
"id": "JER222326223",
"linkid": "jerome-school-district",
"type": "Ransomware",
"date": "12/2017",
"severity": "75",
"impact": "2",
"explanation": "Attack limited on finance or reputation"