Skillthropic - Cybersecurity Study Guides

Cybersecurity certification study guides from an instructor who has been teaching this since 1999.

I'm Chris Rees: 25+ years in enterprise IT and security, 51 Pluralsight courses, 700,000+ students. Skillthropic is where I publish what the exams actually test, for Security+, CySA+, CISSP, CCSP and CompTIA's new SecAI+, written in plain language with exam-style questions you answer in the browser.

Free, no signup:
▸ Security+ Domain 1, the complete guide: https://www.skillthropic.com/free/domain-1
▸ Interactive MITRE ATT&CK matrix with a drill: https://www.skillthropic.com/mitre-attack
▸ Which certification should you take? Two minutes: https://www.skillthropic.com/quiz

Study guides and complete collections: https://www.skillthropic.com

Military and DoD 8140: https://www.skillthropic.com/military

The older videos here (CCNA, Server 2008, A+, Project) are from my first training company. They stay up; the new work is at the links above.