Every breached vendor now compromises an average of 5.28 downstream companies.

May 27, 2026

Every breached vendor now compromises an average of 5.28 downstream companies. — This cybersecurity statistic was published by Black Kite in May 2026. It covers topics including Third-Party Risk, Supply Chain. The original data appears in 2026 Third-Party Breach Report: Managing Risk Concentration in the Era of Cascading Failures. For the full methodology and detailed findings, refer to the original report.

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Published on 3/7/2026

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What does this statistic say?

Every breached vendor now compromises an average of 5.28 downstream companies. This data was published by Black Kite and covers Third-Party Risk, Supply Chain.

Where does this data come from?

This statistic comes from 2026 Third-Party Breach Report: Managing Risk Concentration in the Era of Cascading Failures, published by Black Kite on May 27, 2026. You can view the original report at https://content.blackkite.com/ebook/2026-third-party-breach-report/.

What cybersecurity topics does this cover?

This statistic relates to Third-Party Risk, Supply Chain. Browse more statistics on Third-Party Risk or from Black Kite.

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Every breached vendor now compromises an average of 5.28 downstream companies.

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