Microsoft's XP copy-protection not foolproof |  Operating Systems

A controversial anti-piracy technology built into Microsoft Corp.'s Windows XP operating system has been cracked, a U.K. security firm has reported.

Within hours of the operating system's glitzy launch on Oct. 25, malicious coders in Asia began distributing a software program over the Internet that allows users to bypass Microsoft's Product Activation technology, which is designed to prevent users from installing a copy of Windows XP on multiple computers, according to BitArts Lab, a U.K. based digital rights management firm.

The Microsoft technology requires all users to "activate" their copy of Windows XP soon after they purchase it. This process "locks" a product identification number assigned to each copy of Windows XP to the PC it is installed on, and then issues an activation code based on that configuration.

When the activation process is complete, a user registers the activation code with Microsoft by phone or over the Internet, which stores it in a database. The company can then scan the database for conflicting activation codes to identify software that has been installed on more than one machine.

But some users have managed to get around that process with a program authored recently by computer hackers which allows them to strip the activation technology from the software, BitArts said in a statement issued Friday.

Contacted Tuesday, Microsoft said it was aware of the apparent code break, adding that it was not surprised that crackers were at work looking for ways to get around its technology.

"Product Activation isn't a silver-bullet solution, it's just one of many measures that Microsoft has taken to protect its intellectual property," a Microsoft spokeswoman said Tuesday. "It was never assumed that the technology wouldn't be circumvented."

Microsoft has touted Product Activation as one of its key efforts to protect against "casual copying," which is when a user buys one copy of Windows and installs it on multiple computers. This type of software piracy contributed to about half of the estimated US$12 billion lost last year to the sale of counterfeit software, industry groups have said.

Microsoft now admits that Product Activation was never likely to root out more sophisticated software pirates, but rather to cut down on the casual sharing of its software by individual users, according to the spokeswoman.

Microsoft Chief Financial Officer John Connors, speaking at a press conference in San Francisco after the operating system was launched, said Product Activation was never intended to be unbreakable, but that it would help protect the company from losing out on a chunk of its revenue.

"Our intellectual property, similar to the music and motion picture industries, should be paid for," Connors said at the time. "(Product Activation) makes people aware of what our licensing plan has always been."

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