The new version of Windows, the computer operating system that runs over 95 percent of the world's computers, became available to consumers on Tuesday after five years of development and a number of delays to improve security.

A high-profile new product like Windows Vista draws interest from the entire spectrum of the computer security industry, ranging from hackers trying to exploit a breach for criminal means to researchers looking to make a name for themselves as security experts.

"For sure, people are hammering away on it," said Jeff Moss, the organizer of Defcon, the world's largest hacking convention. "If you are a bad guy and you find a problem, you have a way to spread your malware and spyware."

Most security experts see Vista as a more secure operating system than its predecessor, windows xp, but even Microsoft acknowledges it's not impenetrable and attackers will undoubtedly look for a way in.

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