RavnAir Airlines announced the cancellation of several flights to Alaska at the peak of Christmas vacation due to a malicious cyber attack on its computer system, the Associated Press reported.

According to an airline spokeswoman, 260 passengers were affected by the cancellation of flights.

RavnAir Airlines serves over 100 communities on the peninsula, many of which are impassable for land vehicles. The company collaborates with the FBI, the relevant structures and the cybersecurity company are engaged in troubleshooting.