Companies such as Siemens and Bayer are planning to release patches for medical devices hit by the ransomware WannaCry over the past several days.

If you’re sick and sitting in a drab hospital room hooked-up to a dialysis pump, the last thing you want to worry about is hackers. But according to IT healthcare security experts, there is a chance that life-saving dialysis machine is infected with malware, could even be processing fraudulent credit card transactions, or is part...

Portions of the hospital chain MedStar Health remain offline Wednesday as a result of a major malware attack that occurred Monday and crippled the hospital’s computer systems and forced one of the largest healthcare providers in Maryland and Washington, D.C. to turn patients away. The healthcare provider said the attack forced it to shut down its...