DLP (Data Loss Prevention)

HPKP (HTTP Public Key Pinning)

OWASP (Open Web Application Security Project)

Rootkits

SQL Injection (SQLi)

XSS (Cross-site Scripting)

The following sections if followed, will ensure that you end up with an extremely secure system.

Group Security

http://www.slideshare.net/ennael/kernel-recipes-2015-hardened-kernels-for-everyone

DAC - Discretionary Access Control MAC - Mandatory Access Control namespace - Process Separation IPSec - Network traffic encryption dm-crypt - disk encryption

Kernel self protection

Mempo project

grsecurity vs SELinux vs AppArmor vs

http://www.slideshare.net/ennael/kernel-recipes-2015-linux-kernel-io-subsystem-how-it-works-and-how-can-i-see-what-is-it-doing

https://www2.suse.com/support/security/apparmor/features/selinux_comparison.html

https://www.digitalocean.com/community/tutorials/7-security-measures-to-protect-your-servers