VALCOURT, Canada—BRP Inc. says it is ramping up production at four of its assembly plants after a cyberattack brought operations to a halt earlier this month.

The Ski-Doo and Sea-Doo maker says assembly plants in Valcourt; Sturtevant, WI; Rovaniemi, Finland; and Gunskirchen, Austria, are ramping up and expected to be fully operational on Aug. 16.

The company says the rest of its production sites are planning to resume operations over the course of the week in a phased approach.

BRP says the attack was a malware infiltration through a third-party service provider. It believes that the impact of the attack was limited to its internal systems. BRP says it does not anticipate any impact on its year-end financial guidance.

While the investigation is still ongoing, the company says it has not found evidence that its clients’ personal information would have been compromised by the attack.

Cybersecurity at BRP is a top priority. We have a strong team of experts committed to taking every appropriate measure to ensure the integrity of systems and data,” says José Boisjoli, president and CEO of BRP. “I thank them for all their efforts to mitigate the consequences of the attack.”