University of Michigan researchers on Tuesday said their own experiments undermine recent allegations of security flaws in St. Jude Medical Inc’s pacemakers and other implantable medical devices.
Shares of St. Jude fell 5 percent on Thursday after short-selling firm Muddy Waters and its business partner, cyber security company MedSec Holdings Inc, alleged finding significant security bugs in the company’s Merlin@home device for monitoring implanted heart devices. They said the flaws could potentially enable others to remotely speed up the heart devices or drain their power.
The university said its researchers came “to strikingly different conclusions” after generating the conditions reported by Muddy Waters and not finding a security issue.
The team consisted of several leading medical device security researchers and a cardiologist from