OAuth Security vs Integration Simplicity
Standardise on reusable OAuth libraries and a central identity service to keep delegated-authorisation security strong while cutting integration effort for all parties.
CyberTRIZ analysis · Banking contradiction OB003 · one of 8,235 worked contradictions published by CyberTRIZ.AI
Regulations
Business Context
OAuth provides secure delegated authorization but introduces implementation complexity for banks, fintechs, and developers integrating Open Banking services.
Banking TRIZ Resolution
Use standardized OAuth frameworks, reusable authentication libraries, and centralized identity services that simplify implementation while maintaining security.
Recommended Principles
Principle 6 - Universality
Principle 24 - Intermediary
Principle 40 - Composite Materials
Expected Outcome
Simpler integration
Stronger authentication
Faster API deployment
TRIZ principles applied
P6 UniversalityP24 IntermediaryP40 Composite Materials
Controls that address this (22)
EU_GDPR-CTRL-001 - Daily safeguarding reconciliationoperational · critical priority · Daily reconciliation between safeguarded customer balances, core ledger balances and safeguarded bank accounts. Variances above EUR 100 mustEU_GDPR-CTRL-002 - Critical ICT incident reportingoperational · critical priority · All major ICT incidents impacting payment services, customer data or availability must be classified within 4 hours and reported under DORA EU_GDPR-CTRL-003 - GDPR breach notification workflowoperational · critical priority · Personal data breaches must be assessed within 12 hours and reported to the Belgian DPA within 72 hours where risk to data subjects exists.