2026 Data Breaches — Year-to-Date Disclosure Tracker

2026 Data Breaches Year-to-Date (946 indexed)

critical · finance · Jul 9, 2026

Data breach

Hackers gained access to more than 6.9 million records at AssuranceAmerica by targeting a company employee.

View incident → Original disclosure Indexed 1 week ago

critical · healthcare · Jul 9, 2026

Medtronic

9M records claimed stolen including SSNs and health data

View incident → Indexed 1 week ago

critical · other · Jul 9, 2026

Carnival Corporation

6M customer records stolen including PII

View incident → Indexed 1 week ago

high · tech · Jul 9, 2026

Crunchbase

2M records leaked including contracts and business data

View incident → Indexed 1 week ago

critical · government · Jul 9, 2026

Conduent

62.2M records exposed including SSNs and medical data

View incident → Indexed 1 week ago

critical · healthcare · Jul 9, 2026

NYC Health Hospitals

1.8M patient records leaked including biometrics

View incident → Indexed 1 week ago

critical · healthcare · Jul 9, 2026

Conduent Business Services

62.2M patient records stolen in ransomware attack

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

KDDI Japan Telecom

14.2M email credentials exposed across six ISPs

View incident → Indexed 1 week ago

critical · other · Jul 9, 2026

Madison Square Garden

26M records leaked after ransom deadline passed

View incident → Indexed 1 week ago

high · education · Jul 9, 2026

University of Nottingham

455K accounts exposed including passports and grades

View incident → Indexed 1 week ago

high · other · Jul 9, 2026

Kodak Corporation

2.2M customer records stolen by ShinyHunters

View incident → Indexed 1 week ago

high · healthcare · Jul 9, 2026

Novo Nordisk

700K files stolen including clinical trial data

View incident → Indexed 1 week ago

critical · healthcare · Jul 9, 2026

Medtronic

9M patient records claimed by ShinyHunters

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

KDDI Japan ISP Network

14.2M email credentials exposed across six ISPs

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

KDDI Japan

14.2M email credentials exposed at six ISPs

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

Charter Communications

4.9M customer accounts breached

View incident → Indexed 1 week ago

critical · other · Jul 9, 2026

Global Credential Dump

24B credentials exposed via infostealer logs

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

Cybernews 24B Credential Dump

24B credential records exposed via infostealer logs

View incident → Indexed 1 week ago

critical · tech · Jul 9, 2026

June 2026 Stealer Logs

56M unique emails and 124M passwords indexed on HIBP

View incident → Indexed 1 week ago

critical · healthcare · Jul 9, 2026

One Medical Senior Care

Archived elderly patient clinical records breached

View incident → Indexed 1 week ago

critical · finance · Jul 9, 2026

AssuranceAmerica

6.99M driver licenses and PII stolen

View incident → Indexed 1 week ago

medium · other · Jul 9, 2026

Chemco Calgary

Qilin ransomware exfiltrated operational data

View incident → Indexed 1 week ago

medium · other · Jul 9, 2026

Chemco Calgary

Qilin ransomware attack on oil and gas firm

View incident → Indexed 1 week ago

critical · healthcare · Jul 9, 2026

Conduent Business Services

62.2M records exposed via ransomware

View incident → Indexed 1 week ago