A suspected cyberattack on Newfoundland and Labrador’s health network has led to the cancellation of thousands of medical appointments across the province and forced some local health systems to revert to paper.

The “brain” of the network’s data centre, operated by Bell, has been damaged, including the main and backup computer systems, Health Minister John Haggie told reporters Monday. He said the “possible cyberattack by a third party” was first detected Saturday.

“It has taken out the brain of the data centre … Our main aim here now is to mitigate the effect and maintain some continuity of service for the people of this province,” Haggie said.

Newfoundland and Labrador’s Eastern Health region was hardest hit, leading to the cancellation on Monday of all non-emergency medical appointments and procedures. Eastern Health CEO David Diamond said his agency has lost access to everything from basic email to diagnostic images and lab results, adding that non-urgent medical procedures are likely to be cancelled again on Tuesday.

Physicians, he added, have advised him that without X-rays and CT scans being available electronically, it would be safer to delay appointments and procedures for several days. “We can’t handle the same volume in a paper-based system, so it’s safer to reschedule,”

he said.

The health authorities in western Newfoundland and Labrador hadn’t been hit as hard, while the health authority in central Newfoundland was impacted but less severely than in the eastern region, Haggie said.

Haggie, however, decline to comment about whether the damage was due to what’s known as a ransomware attack _ in which hackers demand payment in exchange for restoring access. The minister would only say the investigation is ongoing.

Steve Waterhouse, a former information systems security officer with the Defence Department, said in an interview Monday the damage to Newfoundland and Labrador’s health system bears all the hallmarks of a ransomware attack. Health systems are prime targets for…