Allied Machine & Engineering Data Breach Exposes SSNs

Allied Machine & Engineering Corp., a family-owned American manufacturer of precision holemaking and finishing tools headquartered in Dover, Ohio, disclosed a data breach that affected its network systems in September 2026.

Allied Machine & Engineering detected unusual activity involving its network environment on Sept. 14, 2026. The company began investigating the incident with the assistance of independent cybersecurity experts.

The investigation revealed that some data could have been accessed or acquired without authorization in connection with the incident.

Allied Machine & Engineering then undertook a comprehensive review of the potentially affected information. The review process concluded on Sept. 29, 2026.

On Oct. 2, 2026, a ransomware group known as Storm claimed responsibility for the attack on a Tor dark web network. The group said it had obtained the organization's data and intended to publish it within 10 to 11 days.

The types of personal information potentially exposed in the breach included names and Social Security numbers.

The breach was disclosed to the New Hampshire Attorney General on Oct. 30, 2026. Allied Machine & Engineering began notifying affected individuals on Oct. 22, 2026.

Allied Machine & Engineering's response to the breach

Allied Machine & Engineering Corp. is offering complimentary identity monitoring services through Kroll to affected individuals.

Individuals can activate their identity monitoring services by visiting the Kroll enrollment page and entering the membership number included in their notification letter.

For questions or assistance, affected individuals can call 844-301-0363, Monday through Friday from 8:00 a.m. to 5:30 p.m. Central Time, excluding major U.S. holidays.