Montrose Environmental Group, Inc

Montrose Environmental Group, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-09-06. 3 Massachusetts residents were affected. The report records the breach type as electronic.

Montrose Environmental Group, Inc. reported an external system breach (hacking) occurring between June 8 and June 11, 2022, discovered on August 4, 2022. The incident affected 269 individuals, including 1 Maine resident. Acquired data included names and financial account or credit/debit card numbers (with security codes/PINs). The company provided written notification and offered 12 months of credit monitoring and identity protection services via Experian.

Montrose Environmental Group, Inc. notified Montana residents of a ransomware attack discovered on June 11, 2022. Unauthorized access occurred between June 8-11, 2022, potentially exposing employee and client names, dates of birth, and driver's license numbers. Montrose engaged third-party specialists, reset passwords, notified law enforcement, and offered 12 months of credit monitoring.