The device manufacturer acquired St. Jude Medical last year and has since been working to fix severe vulnerabilities found in its pacemakers. Abbott released its second and final round of planned cybersecurity updates to its pacemakers, programmers and remote monitoring systems to fix severe cybersecurity flaws in the devices.The patch will update the battery performance alert, allowing the device to monitor for abnormal battery behavior and automatically vibrate to tell the patient when something is wrong.The planned updates began last year, and the latest firmware update was approved by the Food and Drug Administration last week. The update applies to about 350,000 of Abbotts implantable cardioverter defibrillators and implantable cardiac resynchronization therapy defibrillators.

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