In addition, Sierra Entertainment's adventure games were protected from duplication by reading a 128-byte encryption key from a special copy protection track on the disc.

One of these attempts to make floppies copy-proof was Softguard’s Superlok. This in-depth look at this copy protection system by [GloriousCow] comes on the heels of a part one that covers ...

"Copy-protected CDs are wrong," said Heffner, 37. "They are defective products which do not play in all computer-based devices such as PCs, Discmans, DVD players, and car CD players.

The Copy Protection Working Group (CPTWG), a Hollywood high-tech body charged with developing protection for digital television and other forms of video distribution, wants to make it possible for ...

PC gamers don’t want copy protection, just as book owners and libraries don’t. Alexx notes that many game developers also don’t want it, but publishers universally insist on it.

More by David Pogue This article was originally published with the title “The Perils of Copy Protection” in Scientific American Magazine Vol. 305 No. 2 (August 2011) ...

While SunnComm is betting that copy-protected CDs will be the music industry's answer to digital content protection, it's discovering that success stories don't come easy.

The major labels' first protected music CD will be on the market in December. Many consumers who have tried copy-protected CDs, usually unwittingly, have been angered by the results.

The growing buzz over copy-protected CDs may be causing some consumers to hear double. For several weeks, news that record companies have quietly been selling copy-protected compact discs in ...

Blank write-protected CDs are identified as CD-R discs. Using the default options in Windows, once you copy files to a CD-R and eject the CD, the disc is finalized and is automatically write ...