Category Blue Team

Blue Team Cyber Security; Learn the tools and tricks to better secure your servers and network.

Linux Server Hardening: Host-Based Intrusion Detection

How to have your server tell you when there is an issue or security breach. Hardening Linux with a standalone Host-Based Intrusion Detection; OSSEC server. This article is the sixth in the Diamond Hard LAMP series.

Linux Web Server Hardening: MAC with AppArmor

How to protect LAMP servers from vulnerable web applications. Mandatory Access Controls with AppArmor. This article is the fifth in the Diamond Hard LAMP series.

Linux Server Hardening: Banning Malicious Traffic

How to use Linux system logs to block malicious traffic. This article is the fourth in the Diamond Hard LAMP series.

Linux Web Server Hardening: WAF for Web Servers

How to protect your web servers with a Web Application Firewall(WAF). Building ModSecurity for Apache. This article is the third in the Diamond Hard LAMP series.

Linux Web Server Hardening: Preventing Apache Information Disclosure

How to prevent Apache from leaking server details. This article is the second in the Diamond Hard LAMP series.

Linux Web Server Hardening: The Basics

How to build the basic security for LAMP Servers. Linux Automatic update, PHPMyAdmin web UI securing, MySQL Secure Setup. This article is the first in the Diamond Hard LAMP series.

Linux Server Hardening: Enforce Strong Passwords

Don’t let one bad password break all your security! How to improve your password security in Linux Servers.

LetsDefend’s DFIR Challenge: Ransomware Attack Walk-Through

A Walk-Through of the LetsDefend’s DFIR Ransomware Attack Challenge!

LetsDefend: Blue Team Training Review

How to start training to become an Incident Responder, SOC Analyst, or Blue Team member. Learn malware analyst with free online tools.

Windows Client Hardening

Level up your Windows Client defense. How to better secure your local system.

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