Food and Drug Administration

Homeland Security warns that certain heart devices can be hacked

Homeland Security warns that certain heart devices can be hacked

The Homeland Security Department warned Tuesday about an unusual cybersecurity flaw for one manufacturer's implantable heart devices that it said could allow hackers to remotely take control of a person's defibrillator or pacemaker.

Information on the security flaw, identified by researchers at MedSec Holdings in reports months ago, was only formally made public after the manufacturer, St. Jude Medical, made a software repair available Monday. MedSec is a cybersecurity research company that focuses on the health-care industry.

The government advisory said security patches will be rolled out automatically over months to patients with a device transmitter at home, as long as...

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