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Web Application Security (OWASP) · Module 10 of 10

Secure development and testing

Build a habit of secure coding and authorised testing.

📖 Key ideas

  1. Secure coding checklists and code reviews catch issues early.
  2. SAST scans source; DAST scans running apps (with permission).
  3. OWASP ZAP is a free tool for testing your own apps.
  4. Bug bounty programmes reward responsible disclosure.
  5. Certifications and learning: OWASP resources, PortSwigger Web Security Academy, CEH, OSCP.
💡 Real-life example: Secure development is a doctor's routine check-up: regular, preventive and much cheaper than surgery later.
SASTStatic Application Security Testing
DASTDynamic Application Security Testing
OWASP ZAPFree web app scanner
Responsible disclosureReporting issues privately to owners