Fourth-Party Risk Management: The blind spot in Third-Party Risk Management. As organizations, we’ve made real progress in managing third-party risk, assessing vendors, signing NDAs & DPAs, and running due diligence checks. But there’s a quieter, deeper layer we may overlook: fourth-party risks . Fourth-Party Risks is the exposure we inherit from our vendors’ vendors; their cloud providers, subcontractors, and invisible dependencies woven into our digital supply chains. Why fourth-party risk should be a source of concern for us: We have limited visibility into who our vendors rely on. Their security posture impacts us; even when we have no contract with them. We’re accountable for compliance failures tied to someone two degrees removed. An outage or breach downstream can take us down, too. Some notable examples? The 2021 Kaseya ransomware attack. Thousands of companies downstream were impacted; many of whom didn’t even know they were connected ( Kaseya VSA ransomware attack )....
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