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Junior Cybersecurity Professional / Security fundamentals

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Junior Cybersecurity Professional

01Ethics, law & scope
02Security fundamentals
03Linux command line
04Networking basics
05Python syntax & types
06Git & GitHub
07Web vulnerabilities (OWASP)
08Cryptography basics
09Recon & OSINT (ethical)
10Vulnerability assessment
11Linux hardening
12Incident response basics

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Stage 01 · 01 · Foundations · skill 2 of 4

Security fundamentals

The defensive baseline: the CIA triad, threat modelling, common control families and how to think about risk before touching any tool.

Recommended first: Ethics, law & scope

After this you will be able to

Model a simple system's threats and assets
Map controls to threats with reasons
Keep every exercise inside authorised, legal labs

freeCodeCamp.org · why we picked it

Previous Next: Linux command line

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No playground attached to this skill. The practice lab has every runtime.

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