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Computers, Visionaries

Ultrasound Could Protect Pacemakers From Hackers

You never want your wireless device open to attacks, but if that device is implanted inside your body, security becomes even more important. With pacemakers and other medical devices being controlled and monitored from afar, scientists say it's time to step up protection. Those concerns in mind, a group of researchers from the Swiss Federal Institute of Technology and the French National Institute for Research in Computer Science and Control have developed a new safety net.

According to Technology Review
, the system uses ultrasound waves to measure the distance between a medical device and the wireless reader trying to communicate with it. This could prevent potential hackers from wirelessly gaining access to private information stored on the device, draining its battery, or causing it to malfunction. With the ultrasound system, access to the device would be restricted to the physical proximity of the communicator. In the plan proposed by senior researcher Claude Castelluccia and his team, you'd need to go through a series of authentication steps and be within 10 meters of the device in order to gain access.

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Visionaries

U.S. Woman Gets Web-Ready Pacemaker

Carol Kasyjanski has lived with a severe heart condition for 20 years. Until recently, she's lived her life, often in fear, in strict obedience to the condition's limitations. Now, though, a medical breakthrough has given the woman a chance to live her life on her own terms.

Kasyjanski is the first American to receive a wireless-equipped pacemaker, according to Reuters. The device gives her much more freedom, since her doctor can electronically monitor critical information; it's downloaded to his computer at least once a day. If the pacemaker were to stop, or if any stats were abnormal, Dr. Steven Greenberg would be immediately notified via wireless communication, and could act accordingly. Also, the wireless pacemaker allows Kasyjanski to get in and out of the doctor's office much more quickly since Greenberg already has most of the information he needs before meeting with the patient face to face.

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Audio/Video, Editor's Picks, Reviews

Is the Pacemaker DJ Machine Worth the Hype?



What it is:
The Pacemaker is a palm-sized DJ mixing station for digital music that provides an easy way to combine two stereo tracks, add effects, and generally get partygoers to work up a sweat.

Why it's different:
Like the love child of an iPod and a traditional DJ setup, the Pacemaker is a first of its kind, to be sure. You load it with tracks from your computer in pretty much any format, including MP3, AAC, FLAC, Ogg Vorbis, WMA, and AIFF. Songs play on each of two virtual turntables, and you cross-fade between them with a mixer control. (The Pacemaker's beat-matching function allows you to merge tunes with different tempos.) You can also spice things up with a host of effects, like echo-y reverb.

If you take the time to master it, jamming on the Pacemaker is an infinitely better way to rock a party than pressing "play" on an iPod (check out video here). And for aspiring DJ's, it's a great tool for sketching out (and practicing) your mixes. While the mechanism is different than using turntables, the essential logic of fitting songs together is the same.


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Audio/Video

Headphones Can Interfere With Pacemakers, Study Finds

Headphone makers love to brag about the fancy magnets they use to drive their buds, but it turns out that hanging tiny focused magnetic fields around your neck can have unintended consequences -- a new study by Boston's Beth Israel Deaconess Medical Center says that headphones can interfere with heart devices like pacemakers and defibrillators when held within an inch of the device.

The interference can be be so disruptive that a defibrillator can fail to fire live-saving electric charges, so we'd say that anyone counting on technology to keep their ticker ticking should be extra-careful with where they stow their 'phones -- and although researchers didn't find any interference from cell phones, it probably can't hurt to keep those out of your shirt pockets as well. [From: AP]

Computers

Doctors Create 'Cloaking' Device to Protect Pacemakers from Hackers

Doctors Develop
We're not sure if this is a sign of how low people will go or how paranoid our society has become, but scientists have developed a "cloaking" device for wireless pacemakers.

Wireless pacemakers are becoming increasingly prevalent, because they're less intrusive to monitor and can be adjusted remotely by doctors from a computer. What makes them useful, however, also makes them vulnerable to malicious hackers who could hijack the devices and put a patient's life at risk by shutting the pacemaker down or administering electric shocks. Sadly, that isn't a plot from a bad science fiction film -- hackers have already figured out how to wirelessly control pacemakers.

The device is designed to reject instructions that come from anyone other than the doctor, and it is worn like a wristwatch, making it easily concealable. Some doctors worry that the cloaking device may interfere with paramedics and physicians trying to administer emergency care, especially since the device could be hidden on a person.

One would hope that protecting pacemakers from hackers would be an unnecessary precaution to take, but the level of paranoia is understandable knowing that some people have sunk low enough to embed potentially seizure-inducing animated graphics on a Web site for epileptics. [From: Daily Mail]

Hackers Figure Out How to Wirelessly Control Pacemakers

Defcon already delivered by exposing California's FasTrak toll system for the security hole that it is, but that's not nearly all that's emerging from the Las Vegas exploitation conference. For starters, a plethora of medical device security researchers have purportedly figured out a way to wirelessly control pacemakers, theoretically allowing those with the proper equipment to "induce the test mode, drain the device battery and turn off therapies." Of course, it's not (quite) as simple as just buzzing a remote and putting someone six feet under, but it's a threat worth paying attention to.

In related news, a trio of MIT students who were scheduled to give a speech on how to hack CharlieCards to get free rides on Boston's T subway were stifled by a temporary restraining order that the Massachusetts Bay Transit Authority snagged just before the expo. Don't lie, you're intrigued -- hit up the links below for all the nitty-gritty.

Update: MIT published the Defcon presentation in a PDF.

Read - Pacemaker hack
Read - Massachusetts Bay Transit Authority sues MIT hackers
Read - Restraining order on said hackers

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