Skill
The defensive baseline: the CIA triad, threat modelling, common control families and how to think about risk before touching any tool.
Curated resources
Scores are LearnPath editorial opinions (clarity, cost, freshness, project density) — not an objective ranking. Every YouTube item is embedded officially after a click-to-load facade.
7h 44mLearnPath pickfreeCodeCamp.org7h 44m
Harvard's CS50 Cybersecurity as one 7-hour university course: authentication, access control, cryptography, web security, privacy — with problem sets that are actually challenging. Published October 2025 and the best-structured free security foundation.
Grow with Google18h 42m
The Google Cybersecurity Certificate lectures as a playlist — 39 videos covering foundations, networks, Linux, SQL, detection and response. A structured career path rather than a single topic.