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Supplier Diversity Can Hide Dangerous Concentration Risk
Financial institutions may appear to have diversified supplier ecosystems while remaining dangerously dependent on shared underlying infrastructure. Milena Maneva, Head of Business Continuity & Resilience EMEA at Cantor Fitzgerald & BGC Group, argues that effective third-party risk management requires firms to understand and test the dependencies behind their suppliers.
Sep 17, 2026
Milena Maneva
Milena Maneva, Head of Business Continuity & Resilience EMEA, Cantor Fitzgerald & BGC Group
Tags: Vendor and Third Party Risk
Supplier Diversity Can Hide Dangerous Concentration Risk
The views and opinions expressed in this content are those of the thought leader as an individual and are not attributed to CeFPro or any other organization



  • Business owners should retain accountability for the risks created by third-party relationships
  • Integrated assessments should focus on critical services and dependencies rather than isolated risk disciplines
  • Due diligence must identify fourth parties and hidden infrastructure dependencies
  • Critical recovery plans should be tested rather than simply accepted as assurance
  • Supplier diversification can conceal concentration in shared cloud, technology or geographic dependencies
  • Resilience is ultimately measured by the ability to continue operating when a critical supplier fails
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