Superior Boiler has confirmed a data breach involving unauthorized access to its network systems, potentially affecting the personal information of one New Hampshire resident. The compromised data includes sensitive identifiers such as a taxpayer identification number.
Superior Boiler’s Data Breach Investigation
Superior Boiler, a manufacturer and service provider in the boiler industry, experienced a cybersecurity incident that disrupted access to certain IT systems on July 14, 2025. The company promptly launched a forensic investigation with the assistance of external cybersecurity experts to assess the scope and impact of the breach.
The investigation determined that the unauthorized access occurred over a period from July 11 to July 14, 2025. During this window, an unknown actor potentially accessed and exfiltrated specific files from Superior Boiler’s network. Following the containment of the breach, the company conducted a detailed review of the impacted data to determine whether any personal information was exposed.
On September 24, 2025, Superior Boiler confirmed that personal data tied to one New Hampshire resident may have been compromised. The impacted data included the individual’s name and taxpayer identification number. While the number of affected individuals is small, the sensitivity of the data involved necessitated prompt and transparent action.
As part of its response, Superior Boiler notified the affected individual via first-class mail on October 29, 2025, and offered complimentary identity protection services through Kroll. The services include 12 months of credit monitoring, fraud consultation, and identity theft restoration, along with a dedicated call center for assistance.
The incident reinforces the need for all companies—regardless of size or industry—to maintain rigorous cybersecurity defenses, especially where sensitive personal and financial data is stored.
When Did This Breach Occur?
Unauthorized access occurred between July 11, 2025, and July 14, 2025. The affected individual was notified on October 29, 2025.
What Information Was Breached?
- Full name
- Taxpayer Identification Number (TIN)
What You Can Do
If you were notified by Superior Boiler regarding this breach, you should take immediate steps to protect your identity:
- Enroll in the 12-month identity protection services offered by Kroll.
- Monitor your financial accounts, credit reports, and tax filings for suspicious activity.
- Place a fraud alert or credit freeze with major credit bureaus.
- Contact the IRS Identity Protection Specialized Unit if you suspect misuse of your taxpayer ID.
