Learn Cybersecurity

Protect systems and data with practical security fundamentals.

Start learning 6 lessons · about 1.5 hours · free
About this track

Build a practical foundation in cybersecurity: reason about risk, protect identities and data, recognize common web risks, build security into software, and respond to incidents. Short Python simulations make key ideas concrete; this track focuses on defensive concepts and safe design choices.

Before you start
  • No cybersecurity experience is required.
  • Basic familiarity with web applications is helpful but not required.
  • Examples are illustrative and do not require running security tools.
  1. Unit 1 · 0/3 lessons

    Security foundations

    Reason about risk, identity, permissions, and protected data. Badge: Risk mapper

    1. 0x001Think in security risksUse assets, threats, vulnerabilities, and impact to reason about risk. 13 min 13 min
    2. 0x102Protect identities and accessApply authentication, authorization, least privilege, and stronger sign-in. 13 min 13 min
    3. 0x203Handle data and encryption safelyUnderstand encryption in transit, at rest, and key handling. 13 min 13 min
  2. Unit 2 · 0/2 lessons

    Secure systems

    Recognize web risks and build security into software. Badge: Secure builder

    1. 0x304Recognize common web risksLearn how input handling and browser boundaries affect web security. 13 min 13 min
    2. 0x405Build security into developmentUse threat modeling, safe defaults, dependency care, and focused testing. 13 min 13 min
  3. Unit 3 · 0/1 lessons

    Response and recovery

    Prepare teams to contain incidents and restore services. Badge: Incident responder

    1. 0x506Respond to incidents and recoverPrepare to detect, contain, investigate, and restore after a security event. 13 min 13 min
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