I’m going to keep some tips here for users looking to improve their security, when I update it I’ll tweet about it, so feel free to follow me @57UN. This is aimed at desktop users but naturally lots of it can apply to a Linux server. Some of this will be simple, trivial, and some of this will be quite a bit more difficult. I’m focusing specifically on Ubuntu but other distros will have similar features (replace Apparmor with SELinux). I will try to make this as comprehensive as possible, though I’m specifically avoiding items like Fail2Ban as it’s not really useful for users.
A lot of users believe that a distro such as Ubuntu will be so much more secure than Windows, purely through virtue of obscurity. As Linux popularity continues to grow you’ll see attackers begin to take notice. Just because attackers don’t care to hack Linux desktop systems does not by any means imply they aren’t capable of it, or ready to when it seems profitable.
This guide is intended for the typical, average home user that is in the process of learning how to use Ubuntu. So if you just surf the net, play games (on-line & off-line), do on-line banking, education…then you are the intended audience. However if you are running a network server (especially one that is accessed via the Internet) or if you use Ubuntu in your corporate environment (or simply work from home) then the advice you need is more specialized and beyond the scope of this guide. If you don’t know whether you are running a server or not, then read this.
Thankfully, Linux is really easy to secure. Despite some problems there are a lot of powerful projects that give users the power to secure themselves against many threats.
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