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Nearly half a million pacemakers are being recalled by the US Food and Drug Administration after the agency found that the devices could be hacked to control pacing or deplete batteries. Rather than having patients remove or replace the device, however, the manufacturer is releasing a firmware update designed to address the vulnerabilities.

Yes, that’s right — a firmware update for grandpa’s pacemaker.

The affected pacemakers are made by St. Jude Medical, which was acquired by Abbott in January. The models are radio-frequency enabled, and were manufactured before August 28th. Any device manufactured from this week on will have the update pre-installed.

The FDA estimates that…

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