Tuesday, November 10, 2026 Breach Index $11.1B lost to breaches in 2026 · 114 breaches made public

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$11.08 billion publicly reported as lost to data breaches, hacks and fines in 2026.

A floor, not a ceiling: most breached organisations never publish what an incident cost them.

  1. Jan$1.6B
  2. Feb$21M
  3. Mar$418M
  4. Apr$648M
  5. May$94M
  6. Jun$496M
  7. Jul$257M
  8. Aug$255M
  9. Sep$743M
  10. Oct$6.5B
  11. Nov$43M
Breaches made public
114
Accounts exposed
542.1M
Crypto hacks
337
Lost to crypto theft
$9.1B

Recently disclosed

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  • June 2026 Stealer Logs 56.3M accounts · Jun 15
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Sources: Have I Been Pwned, DeFiLlama, SEC filings, public reports. Updated November 9, 2026.