Bot nets, collections of compromised computers controlled by a single person or group, have become more pervasive and increasingly focused on identity theft and installing spyware, according to a Honeynet Project report.
A new version of the Bagle computer virus started spreading on Monday among PCs connected to the Internet, and antivirus companies warned that more variants are sure to come.
Symantec Australia expects reports by the end of the day of local infections by a new worm that attacks Linux Web servers.
Online thieves looking for personal data may be moving to more active measures by redirecting people from legitimate sites to malicious ones, security experts said this week.
Yahoo fixed two flaws in its free mail system that could have allowed a malicious user to read a victim's browser cookies and change the appearance of some pages, Yahoo said Thursday in the US.
Microsoft has been waiting for security researchers to say that its Windows operating system has a lower total cost of ownership. One finally has, but that's not good news.
Driven by fast-appearing threats, network administrators are fixing the most prevalent flaws more quickly, according to a new survey.
The crush of millions of Windows users trying to patch their computers overwhelmed Microsoft's update service for several hours after new security fixes were made available, the software giant acknowledged on Wednesday.
Microsoft released two security patches for its Windows operating systems on Tuesday, plugging holes in an online gaming feature and a third-party program the company includes with several applications.
Finland-based F-Secure has added more security to its customer mailing lists, after a moderator accidentally forwarded a virus to users of the company's antivirus software.
Conceding that its strategy of patching Windows holes as they emerge has not worked, Microsoft plans next week to outline a new security effort focused on what the company calls "securing the perimeter," a company executive said.
Microsoft released its first monthly security update on Wednesday, following a new schedule that attempts to ease the load on overburdened system administrators.
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.
Microsoft slams Google on privacy
Google's approach to privacy is a decade behind Microsoft, the Redmond software giant's chief privacy strategi… Watch it now
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