NEW YORK -- Hackers broke into Yahoo!, the Internet's most popular site, demanding the release of an imprisoned comrade and threatening to unleash a crippling computer virus if he is not freed.
Computer security experts were skeptical of the hackers' claim that they had implanted such a virus.
The hackers, calling themselves PANTS/HAGIS, got into Yahoo!'s World Wide Web site Monday night, leaving a digital ransom note.
Yahoo! is a computer directory widely used for searching the Internet. The note appeared briefly in place of the Yahoo! home page, preventing people