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Business Logic Flaws: The Vulnerabilities Scanners Miss
Written by
Vynox Security Team
April 14, 2026

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Automated scanners are powerful—but they often miss business logic vulnerabilities.

🧠 What Are Business Logic Flaws?

These are vulnerabilities that exploit how an application is designed—not coded.

💣 Examples

  • Bypassing payment steps
  • Applying multiple discounts
  • Accessing unauthorized workflows

❌ Why Scanners Fail

  • No understanding of business processes
  • Cannot simulate real user behavior

🔍 How to Detect Them

  • Manual penetration testing
  • Scenario-based testing
  • Red teaming

🛡️ Prevention

  • Secure design principles
  • Threat modeling
  • QA + security collaboration

✅ Conclusion

Human intelligence is critical. Automation alone is not enough.

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