"At no time were operational safety systems compromised, and there was no risk to system safety during this event," Keolis Commuter Services spokesman Justin Thompson told the Herald. "This event did not and will not impact the continued safe operation of MBTA Commuter Rail. For impacted employees, we are providing support resources, such as credit monitoring and identify theft protection."
Keolis said the "event" happened in the early morning hours of Oct. 10, and didn't affect any MBTA systems. The T owns much of the Commuter Rail infrastructure, but Keolis is under contract to handle all the operations for the commuter line trains.
Keolis, a French transportation giant, said none of its other networks were affected, and the hackers didn't access "safety critical systems."
Keolis' "advanced threat detection systems" alerted the company to the hack, causing Keolis to deactivate its entire Boston-area network within a few hours.
The company said it does not store any passenger data. Keolis said it's working with forensic experts to investigate the situation.
Keolis earlier this summer inked a four-year extension to its eight-year contract, and — despite some rumblings a year ago about a possible shakeup — will continue to operate the MBTA's Commuter Rail system through 2026. The state is currently taking steps toward dropping potentially billions of dollars into an overhaul of the system that would increase service.
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