Live disclosure tracker · updated continuously

2026 Data Breaches Year-to-Date

2026 continues the year-over-year growth trend in confirmed disclosures. The list below updates as new breaches are reported by Verizon DBIR partners and major security news outlets.

98B+
Records Exposed
920
Incidents
94+
Countries
+104%
Breach Velocity YoY
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2026 Data Breaches Year-to-Date (920 indexed)

critical · healthcare · Jul 9, 2026

DentaQuest

2.6M Medicaid dental beneficiary records leaked

View incident → Indexed 1 week ago
medium · government · Jul 9, 2026

The Japan Times

The Japan Times reports: An 18-year-old man has been arrested for his suspected involvement in a cyberattack on the operator of the Kaikatsu Club internet cafe chain, according to investigative sources. On Wednesday, the

critical · healthcare · Jul 9, 2026

Medtronic

9M patient records claimed by ShinyHunters

View incident → Indexed 1 week ago
critical · other · Jul 9, 2026

ADT

5.5M customer email addresses and PII leaked

View incident → Indexed 1 week ago
critical · other · Jul 9, 2026

ADT

5.5M email addresses and PII leaked after intrusion

View incident → Indexed 1 week ago
high · other · Jul 9, 2026

ADT

5.5M customer emails and addresses leaked

View incident → Indexed 1 week ago