AMTECH SYSTEMS INC

BTU International reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-27. 243 Massachusetts residents were affected.

BTU International experienced a ransomware attack on August 11, 2025, discovered on October 27, 2025. The incident affected 373 individuals, including 2 Maine residents. Personal information accessed included names, Social Security numbers, and financial account numbers. BTU notified the FBI, engaged cybersecurity specialists, and provided 12 months of credit monitoring to affected individuals. Notices were sent on December 26, 2025.

BTU International experienced a ransomware attack on or around August 11, 2025, resulting in unauthorized access to its IT systems. The incident affected 81 New Hampshire residents. Personal information accessed may include names, Social Security numbers, driver's license numbers, and financial account numbers with access information. BTU notified the FBI, engaged cybersecurity specialists, and is offering one year of complimentary credit monitoring through Cyberscout. Notices were sent on December 26, 2025.

BTU International notified consumers of a cybersecurity incident in August 2025 where unauthorized activity was detected in its IT systems. The investigation indicated that some personal information may have been accessed by an unauthorized party. BTU contained the access, notified federal law enforcement, and engaged cybersecurity specialists. The company is offering 12 months of credit monitoring and fraud assistance to affected individuals. Specific data types and total affected counts were redacted in the notice, though Rhode Island residents are explicitly mentioned as potentially impacted.

BTU International reported a ransomware attack on its IT systems occurring on or around August 11, 2025. The incident affected four Nebraska residents, exposing names and Social Security numbers. BTU notified the FBI, engaged cybersecurity specialists, and began notifying affected individuals on December 26, 2025, offering one year of credit monitoring.

BTU International, Inc. issued a supplemental data breach notification to New Hampshire regarding 179 additional residents affected by an April 2021 incident. Attackers acquired data and disabled systems. Affected data included names, SSNs, DOBs, addresses, and financial/medical info. BTU engaged forensic investigators, reset passwords, enhanced security controls, and provided 2 years of credit monitoring.

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 Indiana Attorney General. The breach occurred on 2021-04-12 and was reported on 2021-07-13. 2 Indiana residents were affected. 1,291 individuals affected in total.

BTU International, Inc. notified Montana residents of a data breach detected on April 12, 2021. Attackers acquired data and disabled systems, encrypting files (ransomware). Affected employee data included names, addresses, DOB, SSNs, and financial/medical info. BTU engaged forensic investigators, notified law enforcement, and provided 2 years of credit monitoring.

BTU International, Inc., a technology company, notified the New Hampshire Attorney General on May 13, 2021, of a security incident affecting 83 New Hampshire residents. On April 12, 2021, attackers exploited a vulnerability to access data and disable systems. Affected data included names, addresses, SSNs, and employment info. BTU engaged forensic investigators, disconnected networks, notified law enforcement, and offered two years of credit monitoring.