WASHINGTON (Reuters) – Hospital chain Universal Health Services’ network remains offline on Tuesday, two days after the company fell prey to an apparent ransomware attack, it told employees via text.
On Monday the operator of about 400 hospitals and care centers across the United States and the United Kingdom, announced in a statement it was dealing with an “IT security issue.”
UHS has provided no details, but experts said the outage had the hallmarks of ransomware, a breed of malicious software that locks users out of their computers until a digital payment is made.
The text message seen by Reuters said “the corporate network remains offline” and provided no timetable for when computer access would be restored. It instructed some employees to “please continue to work remotely using alternative communication channels.”
At UHS’ Cedar Hills Hospital outside Portland, Oregon, the outage means that new prescriptions are not being issued and