Caller ID Spoofing Gets Popular: See How It's Being Used

04/10/2010 05:12 am ET | Updated May 25, 2011
  • Andy Jordan WSJ

Applications that let users change or "spoof" their Caller ID are gaining in popularity in mobile phone app stores, even as Congress considers stalled legislation to outlaw particular uses of the technology, and criminals use it to engage in nefarious activity.

Caller ID spoofing technology allows a user to change the caller ID to show any desired number on a recipients caller ID display. There are currently a handful of companies that offer this service including SpoofCard (and it's mobile application called Spoof App) and Spoofem, among others.

Read more on WSJ