diff --git a/README.md b/README.md
index a2736ab..12a4da1 100644
--- a/README.md
+++ b/README.md
@@ -170,7 +170,7 @@ Only main chapters:
:small_orange_diamond: gobuster - free and open source directory/file & DNS busting tool written in Go.
:small_orange_diamond: openssl - is a robust, commercial-grade, and full-featured toolkit for the TLS and SSL protocols.
@@ -184,9 +184,19 @@ Only main chapters:
:small_orange_diamond: mkcert - simple zero-config tool to make locally trusted development certificates with any names you'd like.
+ :small_orange_diamond: SELinux - provides a flexible Mandatory Access Control (MAC) system built into the Linux kernel.
+ :small_orange_diamond: AppArmor - proactively protects the operating system and applications from external or internal threats.
+
+ :small_orange_diamond: ossec - actively monitoring all aspects of system activity with file integrity monitoring.
+ :small_orange_diamond: auditd - provides a way to track security-relevant information on your system.
+ :small_orange_diamond: Tiger - is a security tool that can be use both as a security audit and intrusion detection system.
:small_orange_diamond: Lynis - battle-tested security tool for systems running Linux, macOS, or Unix-based operating system.
:small_orange_diamond: LinEnum - scripted Local Linux Enumeration & Privilege Escalation Checks.
:small_orange_diamond: Rkhunter - scanner tool for Linux systems that scans backdoors, rootkits and local exploits on your systems.