Internet intruders have many ingenious ways of escalating privileges and hiding their presence once they get inside your system. The best protection is to keep them out in the cold.

Development of the new version of the Gibraltar security software took more than a year. The release of Gibraltar 2.5 sees enhanced functionality and simplified use.

A joint survey performed by security experts from Infowatch and Russia's Securitylab points to the dangers that Instant Messengers (IM) can mean to enterprise communications structures.

A critical vulnerability has been discovered in the Rsync file synchronization tool.

A critical vulnerability has been discovered in the Opera Web browser.

A security bug has been discovered in Hewlett Packard's HP-UX Unix version; there are no plans to remove it.

Even if you do not have a mail server of your own, SpamAssassin can help you filter out unsolicited junk mail. This article describes how SpamAssassin collaborates with Evolution and KMail. Thunderbird, on the other hand, has its own simple spam-detection feature.

Some say an attack is looming, and others say we don’t have to worry. What’s the real story on viruses in Linux?