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Module 02 of 04 · Security for Developers

Handling Data Safely

Input you did not write is untrusted, and output needs encoding for where it lands.

4 of 4 lessons available

Lessons in this module

  1. 01

    Input Validation

    Intermediate

    Validate at trust boundaries and never rely on the client.

    16 min
  2. 02

    Preventing SQL Injection

    Intermediate

    Use parameterised queries to remove the risk structurally.

    16 min
  3. 03

    Preventing Cross-Site Scripting

    Intermediate

    Encode output for its destination context.

    18 min
  4. 04

    Cross-Site Request Forgery

    Intermediate

    Protect state-changing requests from being triggered elsewhere.

    16 min

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