RavnAir Group says effects of cyber attack more extensive than first thought

RavnAir Group announced that effects from

were more extensive than previously thought.

In a release sent out Monday, the company says that flights could be affected for up to a month.

While the company says flights are running on Ravn Connect and Frontier Flying Service, additional delays and cancellations could affect some flights. The company says that operations could be running at a slower pace while it uses manual processes and back-up systems.

Ravn says it is working with government officials and outside cybercrime experts to get the systems back up and running.