Sony has temporarily suspended the manufacture of CDs containing XCP (Extended Copy Protection) XCP was developed for Sony by U.K. software vendor First 4 Internet Ltd. It has been shipping since early 2005, and is included on about 20 of Sony music titles. XCPs developers have previously stated that they are in the process of writing new copy protection software that does not use the same cloaking techniques that have stirred up bad publicity for Sony. The software first popped into the public eye two weeks ago when a Windows operating system expert named Mark Russinovich described XCP.”]
Source: https://www.csoonline.com/article/2119056/sony-stops-shipping-controversial-drm-code.html