System hardening

Are security hardening guides still useful?

guide
hardening
software

With Linux being decently hardened by default, would it make sense to invest in reading hardening guides? The short answer: yes!

Hardening guides

hardening
howto
linux

Linux hardening security guides collected in one area, covering systems like AlmaLinux, Arch, Debian, Fedora, Ubuntu, and others.

Linux hardening with sysctl settings

hardening
kernel
kernel hardening
kernel modules
linux
server hardening
sysctl
system hardening

The Linux kernel can be secured with the help of kernel tunables called sysctl keys. Learn how system hardening principles can be applied using sysctl.

Why Linux security hardening scripts might backfire

automation
hardening

We talk about the risks when using Linux security hardening scripts in this article. Hardening Linux with scripts might look like a nice idea, but is it?