Stories by Gregg Keizer

Downloads of a new build of Microsoft's upcoming Windows 7 operating system have soared in the past two days, with thousands of systems now pulling pirated copies from BitTorrent sites.

Microsoft today said it's investigating reports of a new unpatched vulnerability in Internet Explorer (IE) that did not get patched in yesterday's massive update.

A Hewlett-Packard (HP) executive was furious at Microsoft over the company's decision to loosen the requirements for its "Vista Capable" marketing campaign, internal e-mails unsealed by a federal judge on Friday show.

A group of hackers that hit the Church of Scientology's site earlier this year have apparently cracked the Yahoo Mail account belonging to Sarah Palin, the Republican nominee for US vice president, according to documents and screenshots posted on the Web.

As it trumpeted news of Vista SP1's scheduled release Wednesday, Microsoft Corp. also quietly said it would delay Windows Server 2008, the next version of its server operating system.

Mozilla's next update to Firefox will sport several new safer surfing features, the company's chief of security said Wednesday, but users won't see the most important changes.

Attackers armed with an exploit toolkit have launched massive attacks in Europe from a network of at least 10,000 hacked Web sites, with infections spreading worldwide, several security companies warned today.

China's military has developed cyberwarfare first-strike capabilities that include units charged with developing viruses to attack enemy computer networks, a US Department of Defence (DoD) report has warned.

A hacker grabbed the Social Security numbers of more than 22,300 current and former students at the US University of Missouri. It is the institution's second data break-in of the year.