Knowledge is Power
Learn cybersecurity. Stay current. Keep building.
Bare Metal Cyber brings together a complete academy of free, ad-free audio courses, certification books, Daily Cyber News, podcasts, Magazine features, and a growing educational Cyber Wiki.
The Bookshelf
Study, review, lead, and go deeper.
Use companion books alongside the Academy, or explore cybersecurity leadership and professionally published references.
Browse all booksBare Metal Cyber Academy
Build certification knowledge wherever you can listen.
Choose from a broad catalog of audio courses, then reinforce major certification courses with a study guide and flashcards book. Every Bare Metal Cyber audio course is free and contains no advertisements.
CompTIA Security+
A complete, audio-first Security+ study system with focused lessons, companion learning resources, and an episode-by-episode directory.
Open course →ISC2 CISSP
A structured audio course for professionals building broad security knowledge across risk, architecture, operations, software, identity, and governance.
Open course →ISC2 Certified in Cybersecurity (CC)
A plain-language starting point for learners building the core knowledge expected in entry-level cybersecurity work.
Open course →CompTIA Network+
A practical audio route through network concepts, operations, troubleshooting, and the security foundations that support modern infrastructure.
Open course →Azure Fundamentals (AZ-900)
An approachable audio course covering cloud concepts, core Azure services, management, governance, and foundational cloud decision-making.
Open course →AI Security
A focused course on the risks, controls, governance questions, and defensive practices that surround modern AI systems.
Open course →Stay Current
Read the news. Follow the analysis. Listen on your schedule.
Choose a concise weekday briefing, a longer Magazine feature, or one of two podcasts built for different learning needs.

Free Newsletter
Know what changed before your day gets busy.
A clear weekday cybersecurity briefing that helps you see what changed, why it matters, and what deserves attention next.
Why subscribe
Bare Metal Cyber Magazine
Practical cybersecurity features worth taking time to read.
Explore certification guidance, careers, leadership, analysis, and educational features.
Read the Magazine
Podcast
Bare Metal Cyber
Longer narrated features and focused discussions that connect cybersecurity decisions to risk, operations, leadership, resilience, and the systems organizations depend on.
Explore the show →
Podcast
Mastering Cybersecurity
Compact cybersecurity lessons built around approachable explanations, practical concepts, certification subjects, and focused review that fits into a commute, walk, or study session.
Explore the show →Cyber Wiki
Turn one lesson into a larger understanding.
The Cyber Wiki is a growing educational reference that connects cybersecurity concepts to related courses, books, individual audio lessons, controls, frameworks, and the subjects you may want to study next.