Microsoft says a security flaw in a component that certifies the authenticity of a Web site or of software code could leave user passwords and credit card numbers open to theft.
Microsoft and Mozilla have acknowledged that a security hole in their Web browsers could let an intruder nab files, but say it is tough to exploit and so not that high a risk.
Microsoft will not fix a serious flaw in Windows 98 and Windows Millennium Edition because a patch could break other applications.
Microsoft may rush out a security update for Internet Explorer to fix a flaw that is now being exploited to attack Windows systems, security companies say.
A 'critical' flaw that affects both Microsoft's Windows Media Player and Internet Explorer has been uncovered, a security company reported late on Monday.
Security experts are watching out for attacks that burrow through two new flaws, warning that the vulnerabilities are a bigger threat because of people's reliance on the targeted software.
When Microsoft was slow to fix a Windows flaw, Russian developer Ilfak Guilanov took matters into his own hands. He explains why he wrote a patch that drew rare backing from antivirus companies.
A computer science researcher has highlighted the shortcomings of Microsoft's latest patch for its Internet Explorer browser by identifying another way that online vandals could run malicious programs on a Web surfer's computer.
Microsoft's Security Response Center gets many thousands of calls for help with security problems. Here are the top ten laws, gleaned from those calls, that you can guarantee will crop up time and time again.
Get the technical details on Microsoft Security Bulletin MS04-017 and see how it could affect the security of your systems.
Recent flaws in the way Microsoft processes JPEG files and a decision to offer IE updates only to Windows XP users lead to just one logical conclusion: bail on Microsoft Internet Explorer.
The software giant urges customers to apply updates for both applications to fix critical vulnerabilities that could let attackers run programs on a victim's PC.
When Microsoft patched a security hole in Internet Explorer this week, it also blocked users from accessing certain Web sites.
For many of us, Microsoft Outlook is as much as part of the workplace as cubicle walls and funny grey carpet. But perfect it's not. Here are some fixes for its most frustrating flaws.
We look at eight mail-server plugins designed to make sure your servers don't take a beating the next time one comes along.
Chasing Ballmer in Sydney
Where's Ballmer? In this video, ZDNet.com.au journalist Liam Tung chases Steve Ballmer around the stree… Watch it now
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