It should come as no surprise that cell phone calls may be tapped by law enforcement.
But authorities also can eavesdrop on mobile phones, even when the devices are not making calls.
The FBI converted the Nextel cell phones of two alleged New York mobsters into "roving bugs" -- microphones that relayed conversations when the phones seemed to be inactive, according to recent court documents.
Authorities won't reveal how they did this. But a counter-surveillance expert says Nextel, Motorola Razr and Samsung 900 series cell phones can be reprogrammed over the air, using methods meant for delivering upgrades and maintenance. It's called "flashing the firmware," said James M. Atkinson, a consultant for the Granite Island Group in Massachusetts.
"These are very powerful phones, but all that power comes with a price. By allowing ring tones and stock quotes and all this other stuff, you also give someone a way to get into your phones," Atkinson said.
Privacy advocates call such use of roving bugs intrusive and illegal. Web cams and microphones on home computers soon may be fair game for remote-control gumshoes, too, they fear.
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