Linux is secure. No doubt about it. Despite that widely accepted perception, if left unattended, it can be easily be as insecure as any other operating system, like, hmm, another OS which I will not mention. Yes, Linux out of the box still needs a room for improvement. There are some major things that can be performed to make Linux much more secure.
I just read a how-to tutorial on how to make your Linux Desktop secure from TechRadar.com. It’s an excellently written article with great invaluable points on how to make your Linux experience a secure and a pleasant one. The points are excellent. I agree with all, except one when it comes to upgrading every six months. I wouldn’t stop others from upgrading from one version to another every six months. Here’s the article.