30% of breaches now start with a third party. This report shows what's driving that number (and what to do about it!)
Most organizations have spent years hardening their own perimeter. Attackers moved on. The fastest route into an enterprise today is through your vendors: your payroll provider, your logistics partner, your SaaS stack.
The numbers make it concrete:
30% of all breaches now involve a third party, double last year
97% of organizations were breached via their supply chain in 2025
$4.8M average cost when a breach originates from a vendor
286 vendors in the average supply chain, up 21% year over year
"In our daily work, CybelAngel helps us see the things that we can’t see. It gives us visibility to the things that are going on in the internet and helps us respond and react accordingly"
Erik Hart Chief Information Security Officer, Cushman & Wakefield
What's inside?
Part 1: The threat environment: Learn where exactly attacks are landing and what’s ahead as 2026 unfolds.
Part 2: Know exactly which regulations apply to your vendor relationships, and what compliance failure costs.
Part 3: Find out what separates TPRM programs that actually reduce risk from those that just satisfy compliance (and six specific practices you can apply immediately!)
Part 4: Understand what shadow AI in your vendor ecosystem is doing to your data right now, and what to add to your assessments before it becomes a breach.
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