Vendor risk management, often used interchangeably with third-party risk management, is the process of deciding which outside companies you can trust, under what controls, with what monitoring, and with what exit plan. For a mid-market business in a regulated sector, it has moved from a procurement formality to a board-level concern, because the companies you depend on are now the most common way a serious problem reaches you.
Verizon's 2025 Data Breach Investigations Report, drawn from more than 22,000 incidents, found that the share of breaches involving a third party doubled year over year, from 15% to 30%. Verizon counts breaches through vulnerable vendor software as third-party involvement, which not every definition would, so treat it as directional rather than a literal doubling of real-world events.
A failure is expensive even before any fine: IBM's 2026 Cost of a Data Breach report put the global average at $4.99 million, up from $4.44 million a year earlier.
Most guides on this topic come from platform vendors selling a questionnaire workflow, and they skip the part a questionnaire can't do: checking the vendor against independent public records. Below, vendor estimates are labeled as estimates. We run risk and compliance intelligence on these public datasets, so we say where they beat self-reported assurance.