Security experts and network administrators are once again on worm watch because of the existence of exploit code for a software vulnerability in a widely used Windows service. The critical weakness ...

Released earlier this week, the exploit code - which has been crafted to run not only on attackers' Windows machines, but also on Linux and Unix boxes -crashes Windows systems not patched against a ...

While the Slammer worm had to hit individual systems, this exploit allows hackers to send a single packet to attack every system on an entire network. The Messenger Service is part of the Windows ...

Spam attacks and security vulnerabilities have prompted Microsoft to plan to turn off its troublesome Windows Messenger service in the next Windows XP update, a company representative said Tuesday.