MKS Instruments, Inc

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MKS Instruments, Inc. reported a ransomware event in Maine affecting 8 residents. Discovered on February 13, 2023, the incident involved encryption of business/manufacturing systems and potential exfiltration of personal data, including Social Security Numbers. MKSI activated incident response protocols, engaged outside experts, notified law enforcement, and provided 2 years of Equifax identity monitoring services.

MKS Instruments, Inc reported a data breach to the Montana Attorney General. The breach was reported on 2023-02-16. The breach occurred on 2/13/2023. 13 Montana residents were affected.

MKS Instruments, Inc. notified the NH AG of a ransomware event detected on Feb 13, 2023, affecting systems since Feb 3, 2023. The incident involved encryption of business/manufacturing systems and potential exfiltration of employee personal data (PII, SSN, credentials, financial info). 203 NH residents were notified on Feb 16, 2023. MKSI engaged forensic experts, reset passwords, deployed MFA, and installed Sentinel One. Identity monitoring offered for 2 years.

MKS Instruments, Inc. disclosed a ransomware incident discovered on February 13, 2023. The attack encrypted business and manufacturing systems. While exfiltration of personal employee data has not been confirmed, it cannot be ruled out. Potentially affected data includes names, contact info, SSNs, login credentials, bank account info, and health/employment data. The company activated incident response, engaged outside experts, notified law enforcement, and is offering 2 years of identity monitoring.

MKS Instruments, Inc. filed a supplemental 8-K on February 13, 2023, providing additional details on a previously disclosed ransomware event. The incident materially impacted the Vacuum Solutions and Photonics Solutions Divisions, affecting order processing, shipping, and customer service. The Materials Solutions Division was unaffected. The company contained the incident and initiated recovery, but the full financial scope remains undetermined.

MKS Instruments, Inc. disclosed a ransomware event on February 3, 2023. The company activated incident response protocols, engaged forensic professionals, and notified law enforcement. Operations at certain facilities were temporarily suspended. Investigation is ongoing; data types and affected individual counts were not disclosed.