AMTECH SYSTEMS INC

An external system breach (hacking) occurred at BTU International on August 11, 2025, which was discovered on October 27, 2025. The breach affected 373 individuals in total, including 2 residents of Maine. The company began notifying affected consumers on December 26, 2025, and is offering 12 months of credit monitoring services through Cyberscout.

BTU International notified the New Hampshire Attorney General of a ransomware attack occurring on or around August 11, 2025. The incident affected 81 New Hampshire residents, exposing names, SSNs, driver’s license numbers, and financial account numbers. BTU notified the FBI, engaged cybersecurity specialists, and began notifying individuals on December 26, 2025, offering one year of credit monitoring.

BTU International notified consumers of a cybersecurity incident in August 2025 where unauthorized access to IT systems may have exposed personal information. The company engaged cybersecurity specialists, notified federal law enforcement, and is offering 12 months of credit monitoring and fraud assistance to affected individuals.

BTU is an Argentine company dedicated to the development and execution of engineering, construction, mounting and start-up projects, mainly in the Energy, Oil & Gas and Railway System Infrastructure sectors.We have provided integral services throughout the country for over 30 years, in public and private sector, delivering constant technical and entrepreneurial development. As a result of our expertise, we are one of Argentina’s leading engineering and highly complex construction company.

BTU International, Inc. reported an external system breach that was discovered on April 12, 2021. The breach involved the acquisition of names and Social Security Numbers. A total of 10 Maine residents were affected. The company provided two years of identity theft protection services through Experian to those impacted.

BTU International, Inc. reported a data breach to the Montana Attorney General. The breach was reported on 2021-07-13. The breach occurred on 4/12/2021. 1 Montana residents were affected.

BTU International, Inc. experienced an external system breach on April 12, 2021, which was discovered the same day. The breach affected 482 individuals in total, with 2 of them being residents of Maine. The compromised information included names or other personal identifiers in combination with Social Security Numbers. In response, the company provided written notification to the affected individuals on May 12, 2021, and offered two years of credit monitoring services through Experian.