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.
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.
For the third time this year, unknown attackers deluged the SCO Group's Web site with enough data to make it inaccessible.
The world's favourite search engine is one of the handiest tools for hackers, said a security expert on Thursday.
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 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.
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.
Holes in Exchange 2000 and Windows 2000 could allow hackers to view the system registry or gain control of servers. Meanwhile, Microsoft continues to struggle with its reputation for lax security.
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