US - A security expert said he has devised a simple and relatively inexpensive way to snoop on cellphone conversations, claiming that most wireless networks are incapable of guaranteeing calls won't be intercepted.
Law enforcement has long had access to expensive cell-phone tapping equipment known as IMSI catchers that each cost hundreds of thousands of dollars.
But Chris Paget, who does technology security consulting work, says he has figured out how to build an IMSI catcher using a US$1,500 piece of hardware and free, open-source software. 'It's really not hard to build these things,' he said.
