Identity Vendor Due Diligence Checklist: What to Ask Before You Sign

Organizations face significant financial risks from data breaches originating with third parties, costing an average of $4.91 million per incident. A major vulnerability is the identity provider, which holds sensitive user data; thus, thorough due diligence is crucial when selecting an SSO or identity vendor. This involves a comprehensive checklist of 25 security and operational questions covering areas such as certifications, data handling, availability, incident response, key management, penetration testing, compliance, and support. Key considerations include ensuring the vendor has current SOC 2 Type II and ISO 27001 certifications, a robust breach-notification protocol, a 99.9% or higher uptime SLA, and a transparent data handling and deletion policy. Given that nearly all organizations interact with at least one breached third party, the goal is to choose a vendor that provides strong evidence of security measures and clear mitigation strategies for any identified gaps, rather than seeking a risk-free partner.

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