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July 22nd, 2016 
Awake Goy
iPhone Case to Monitor Device’s Radios for Surveillance Activity
July 21st, 2016
Of course, inexpensive signal blocking pouches can prevent phones from communicating. You have to test them to make sure that they’re actually blocking the signals. See: Black Hole Faraday Bags, for example.
This thing below, however, will tell you when something dodgy is happening. (Much better than my warm-to-the-touch-dead-battery indicator.)
Via: Wired:
A mockup of Edward Snowden and Bunnie Huang’s iPhone modification, showing the SIM card slot through which their hardware add-on would access the phone’s antennae to monitor them for errant signals. Andrew Huang & Edward Snowden
When Edward Snowden met with reporters in a Hong Kong hotel room to spill the NSA’s secrets, he famously asked them put their phones in the fridge to block any radio signals that might be used to silently activate the devices’ microphones or cameras. So it’s fitting that three years later, he’s returned to that smartphone radio surveillance problem. Now Snowden’s attempting to build a solution that’s far more compact than a hotel mini-bar.
On Thursday at the MIT Media Lab, Snowden and well-known hardware hacker Andrew “Bunnie� Huang plan to present designs for a case-like device that wires into your iPhone’s guts to monitor the electrical signals sent to its internal antennas. The aim of that add-on, Huang and Snowden say, is to offer a constant check on whether your phone’s radios are transmitting. They say it’s an infinitely more trustworthy method of knowing your phone’s radios are off than “airplane mode,� which people have shown can be hacked and spoofed. Snowden and Huang are hoping to offer strong privacy guarantees to smartphone owners who need to shield their phones from government-funded adversaries with advanced hacking and surveillance capabilities—particularly reporters trying to carry their devices into hostile foreign countries without constantly revealing their locations.
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