CNET News' Joris Evers reports that researchers from security firm IOActive have canceled a planned demo of how easy it is to hack an RFID-enabled credit card.

"The talk, slated for Wednesday at the Black Hat DC Briefings & Training event in Arlington, Va., was canceled Tuesday after IOActive said it received legal threats from HID Global, a major seller of access control systems," Evers writes.

"We can't go forward with the threat of litigation hanging over our small company," IOActive CEO Joshua Pennell said in a conference call.

More here from SecurityFocus ... more here from Unstrung ... more here from Dark Reading ... more here from InfoWorld ... IOActive's press release is here ... and the ACLU's response is here.