Secure Communications

Phone security is much better


Q: Is there any difference in security between using a corded phone and a cell phone?
— Bruno RoccaAkron

A: Assuming your cell phone is digital, there’s not enough difference to worry about, said David Wagner, an associate professor of computer science at the University of California, Berkeley, who has done research on the issue.

Back when cell phones were analog, eavesdropping was easy, Wagner said. But today most cell phones are digital. While eavesdropping with a digital cell phone is possible, ”it’s pretty much out of the reach of casual interception,” he said.

Wagner noted that wired phones aren’t perfectly secure, either. But he said both digital cell phones and wired phones are sufficiently secure for most people to conduct everyday business.

Indeed, the weak link with cell-phone security is often human users who have sensitive conversations in public places without a second thought, he said. Be careful not to share sensitive information where you can be overheard.






January 25, 2009 - Posted by | cellular phone, eavesdrop, English, mobile, phone tap, privacy, security, spy, wireless

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