In my previous post I shared how I learned that IT security is like physical security: we have to know our context, understand the threats in it and secure accordingly. Each person’s security needs are different. No-one can give a complete one-size-fits-all guide to securing everybody’s Linux environments at home.
However some general concepts apply. Here are the 10 things I look for when securing my own home Linux installations.
Major edit alert!
I’ve realised there is a lot more material here than would fit into the original two posts I had. So I’ve given each tip a post of its own.
And the tips are…
- Enable and use an OS-level firewall
- Enable SELinux or another Mandatory Access Control mechanism
- Use sudo
- Apply software updates automatically or often
- Use encryption
- Use multi-factor authentication
- Enable threat-detection
- Browse securely
- Limit running services
- Backup securely
That’s it! More on each of my top 10 tips shortly. Meanwhile, what do you think of these tips? Please let me know in the comments below.
A glossary of terms is available here.
Once again, ensure you’re familiar with the disclaimer here!
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geek girl, linux land 
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