2026 Data Breaches — Year-to-Date Disclosure Tracker

2026 Data Breaches Year-to-Date (679 indexed)

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

View incident → Original disclosure Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

Medtronic

9M health records stolen in ransomware attack

View incident → Indexed 2 days, 14 hours ago

high · other · Jul 9, 2026

Eurail Interrail

300K traveler passports and IBANs exposed

View incident → Indexed 2 days, 14 hours ago

medium · other · Jul 9, 2026

Darktrace

Darktrace says a LiteLLM AI gateway linked to Amazon Bedrock was compromised for cryptomining after signs of exposed SSH activity.

View incident → Original disclosure Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

24B Credential Dump

24B stolen credentials exposed in mega-leak

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

24B Credential Dump

24B credential records leaked from 36 infostealer sources

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

24B Credential Dump

24B credentials leaked from 36 breach sources

View incident → Indexed 2 days, 14 hours ago

high · education · Jul 9, 2026

University of Nottingham

455K records with passports and financials leaked

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

Nissan Americas

Employee SSNs, banking, and tax data stolen

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

Nissan Americas

SSNs and payroll data stolen via Oracle zero-day

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

ADT

5.5M customer email addresses and PII leaked

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

ADT

5.5M email addresses and PII leaked after intrusion

View incident → Indexed 2 days, 14 hours ago

high · other · Jul 9, 2026

ADT

5.5M customer emails and addresses leaked

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

ADT

5.5M customer records leaked after April intrusion

View incident → Indexed 2 days, 14 hours ago

high · tech · Jul 9, 2026

Kodak

2.2M customer and corporate records stolen

View incident → Indexed 2 days, 14 hours ago

critical · tech · Jul 9, 2026

Klue Supply Chain Breach

200 firms hit via stolen OAuth tokens and CRM keys

View incident → Indexed 2 days, 14 hours ago

critical · other · Jul 9, 2026

24B Credential Mega-Dump

24B stolen credentials exposed in 8.3TB public database

View incident → Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

One Medical Seniors

8.8TB clinical records exfiltrated by ShinyHunters

View incident → Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

Anne Arundel Dermatology

1.9M patient PHI records exfiltrated

View incident → Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

NYC Health Hospitals

1.8M records with SSNs and biometrics stolen

View incident → Indexed 2 days, 14 hours ago

critical · government · Jul 9, 2026

Conduent

62.2M records with SSNs and medical data exposed

View incident → Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

Medtronic

9M records stolen, SSNs and health data leaked

View incident → Indexed 2 days, 14 hours ago

critical · tech · Jul 9, 2026

KDDI Corporation

14.2M email credentials exposed across six ISPs

View incident → Indexed 2 days, 14 hours ago

critical · healthcare · Jul 9, 2026

Conduent

62.2M SSNs and medical records exposed in ransomware

View incident → Indexed 2 days, 14 hours ago