Steven J. Vaughan-Nichols: "Opinion: The crackers currently have the whip hand over Windows, and Microsoft's assertion that Internet Explorer is now part of the operating system shows its flawed reasoning.

Worried sick about the latest rash of Internet Explorer security problems? I have the perfect solution for you, one that's even better than switching to Mozilla, Firefox or Opera. Switch operating systems: Go to Linux."

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Linux has shown a lot of growth in the area of data-centric, high-availability clustering. Most admins are already familiar with computational clusters, known loosely as Beowulf clusters, which are implemented in the form of MPI, PVM, LAM, MOSIX, and other process-sharing and process-distributing technologies. There are also "Web service clusters", such as those distributed in years past by TurboLinux and others. These were typically groups of similarly configured servers that used DNS and round-robin IP address tricks to give the illusion of Web server high-availability to end users.

Simply put, your small-to-medium business intranet is only as strong as its weakest point. In-depth defense is the only adequate approach to security. One compromised system on an intranet is all it takes for trojans, such as key-loggers, to be planted and used to scalp passwords and access even more systems. An in-depth defense requires both host and network auditing and detection, in addition to basic host and network perimeter security. Because any security can be defeated, it is essential to be alerted when it has been. There is no greater business liability than an intranet that has become unknowingly compromised.

Astaro provides six essential security applications in one easy-to-manage package that protects organizations from hackers, viruses, worms, spam and other threats to security and productivity.

Astaro Security Linux offers firewall, intrusion protection, virus protection, spam protection, VPN gateway, and URL filtering capabilities. A unified management platform makes it easy to deploy, administer, and update a complete network security solution with surprisingly little cost and effort. The software can be installed on a standard Intel PC, or purchased pre-installed on a variety of security appliances.

Based on the best of open source security software, Astaro Security Linux has won numerous awards, and is in use on over 20,000 networks in 60 countries.