Recording and reproducing device, control method and abuse prevention system

摘要

The invention has an object to provide a recording and reproducing device capable of protecting the copyright stronger than ever by detecting the abuse when the information having the copyright is utilized fraudulently and revoking the device in which the abuse is performed, if necessary. In the recording and reproducing device, the detecting unit detects the abuse of the digital content data and the control program controlling the recording and reproducing device, and the revoking unit halts the use of the recording and reproducing device when the detecting unit detects the abuse.