With but $1,500 worth of equipment and some ingenuity, security researcher Chris Paget can create his own cell phone tower.
Here's the catch, however: The tower itself isn't real. It's a fake recreation of a GSM base station that allows Paget to overpower the actual signals from real-life base stations. The end result? Cell phones connect to PagetNetor whatever name he's assigned his creationthinking that they're accessing an actual cell phone tower.
When that happens, Paget can listen in to the conversations and/or record them at his leisure. His devicean International Mobile Identity Subscriber catcherbounces the call to an actual cell phone tower and the user is none the wiser, save for the fact that all inbound calls now go directly to said user's voicemail as the carrier considers the actual phone off-network.
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