System Hardening Courses
Google via Coursera Linux Security Tools: Attack and Defense Strategies
Ubuntu OnAir via YouTube Simple Wins for ICS Cybersecurity During Slow Downs
Dragos: ICS Cybersecurity via YouTube Introduction to System Hardening
YouTube Start with the BPT Then Worry About the APT - Lecture 1
YouTube Intro to Linux System Hardening
YouTube How to Create a One-Man Security Operations Center (SOC)
YouTube Exploiting Medium-Risk Vulnerabilities: Strategies and Techniques - Ekoparty 2023
Ekoparty Security Conference via YouTube Enterprise Endpoint Security
Udacity Securing Linux Servers
Pluralsight