A call for online vandals to take part in a Web site defacement contest has some companies warning clients to beware over the US holiday weekend.
A hacker group released code designed to exploit a widespread Windows flaw, paving the way for a major worm attack, security researchers warned.
Why is it that "Gray hat" hackers, neither corporate pros nor havoc wreakers, are increasingly falling on the wrong side of the law?
For the third time this year, unknown attackers deluged the SCO Group's Web site with enough data to make it inaccessible.
Unknown attackers downed the largest recorder of Web site defacements on Sunday, the same day that vandals had been thought to be planning an online graffiti contest.
A call for online vandals to take part in a Web site defacement contest has some companies warning clients to beware over the US holiday weekend.
A hacker group releases code designed to exploit a widespread Windows flaw, paving the way for a major worm attack as soon as this weekend, security researchers warn.
A worm that takes advantage of what some security experts describe as the most widespread Windows flaw ever has started spreading, while new analysis has uncovered a time bomb in the worm's code poised to unleash a furious denial of service attack at Microsoft itself.
A vulnerability in all versions of Windows could allow attackers to use a malicious Web site or HTML e-mail message to trap victims and take control of their PCs, warned Microsoft.
Microsoft warned customers on Monday that a security hole in Windows 2000 and the company's Web server software is allowing online attackers to take control of corporate servers.
Less than two months after launching its Windows Server 2003 operating system, Microsoft has released a security patch to fix a vulnerability that could let malicious sites run damaging code on the server.
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