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Can Internet-of-Body Thwart Cyber Attacks on Implanted Medical Devices?

An alternative approach for communicating with medical devices?…:

[…] No known attack on a life-supporting medical device has actually occurred, makers of such machines often point out. And encrypting the signals on these devices should provide reasonable protection. But Sen, at Purdue, says encryption isn’t enough. “The physical signals are available, and we are not good with using passwords,” he says.

To thwart would-be attackers, Sen and his colleagues have designed a countermeasure: a device worn around the wrist that uses a particular low-frequency range to confine within the human body all of the communication signals coming from a medical device.

The signals create what’s known as an electro-quasistatic field using the body’s conductive properties. Signals from a pacemaker can travel from head to toe, but they won’t leave the skin. “Unless someone is physically touching you, they don’t get the signals,” Sen says.

Sen and his colleagues call it electro-quasistatic human body communication, and described it earlier this month in the journal Scientific Reports. In the study, Sen’s prototype successfully confined to the body signals from a wearable device. The researchers have not yet tested their prototype on people with an implanted medical device. […]

Original article here

Peter Glock
Over 30 years of designing, building and managing telecoms and IT services. Primarily working with large enterprise and professional services businesses in Asia, North America, continental Europe and the UK. Information security professional, secret physics nerd.

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