1. An HVAC attack in Michigan

In January, EdScoop reported that over the holiday Richmond Community Schools in Michigan had been forced to extend its break after discovering ransomware had infected systems running its heating, telephones, copiers and classroom technology. The school restored backups and refused to pay the $10,000 bitcoin demand, but their attackers had succeeded in disrupting the school through an unexpected route: they’d found their way into the district’s network through a unsecured network connection to a heating and cooling system.