Cyberattack at MN Furnace Make

November 10, 2025

INCIDENT

Greenbush, Minnesota-based furnace maker, Central Boiler Companies, Inc. fell victim to a “sophisticated cyberattack” in August and discovered personally identifiable information ended up stolen.
“On August 1, 2025, we discovered we ended up victimized by a sophisticated cyberattack,” the company said in a letter to victims. “Upon discovery, we immediately began working with our IT team and third-party forensic specialists to secure the network, restore our systems to operability, and investigate the full nature and scope of the incident.
Central Boiler also said they reported this incident to federal law enforcement.

Incident Date

August 1, 2025

Estimated Cost

Unknown at this time

Type of Malware

No Malware identified

Threat Source

No threat source identified