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If you’ve switched to Ubuntu from Windows, there’s a very good chance that the security failings of Windows featured in your decision. By any measure, Microsoft’s record on security within its products is appalling.
There's no such thing as perfect security. There are no programs that give you absolute software security. After all, security is a process, not a product. Linux's security process, though, is outstanding, which is one reason why it has great security. Here's an example.
Network Security Toolkit is one of many live CD Linux distributions focusing on network monitoring, analysis, and security. NST was designed to give network security administrators easy access to a comprehensive set of open source network applications, many of which are among the top 100 security tools recommended by insecure.org.
Linux security may seem daunting, but there are a host of best practices to simplify the maze. Recently, Steve Grubb of Red Hat Inc. outlined some important security principles, including minimizing admin access, the increasing sophistication of SELinux and the importance of auditing systems.
Security, the experts like to tell us, is a process, not a product. With open source that can be a very good thing since when security problems are found they can be fixed quickly. That's the case over this last weekend, Feb. 9-10, when a security problem was found, and given a hot fix
Buck Security comprises a collection of security scans for Debian-based Linux distributions, including Ubuntu. It’s easy to use, and gives you a quick overview of the security status of your system.
One of the areas where Linux really shines is security: you do not really need an antivirus if you are running Linux as an end user. In the Windows world however a good antivirus is almost a requirement as viruses and malwares are commonplace. I have personally seen Windows computers being infected less than an hour after being connected to the internet.
As the professor of security engineering at Cambridge University, Ross Anderson is one of the founders of security economics as an academic discipline.