Education Sector Data Breaches — University & K-12 Disclosures

Education Sector Data Breaches (12210 indexed)

high · other · Jul 9, 2026

Kubota North America

Employee SSNs, banking, benefits data stolen

View incident → Indexed 1 month, 3 weeks ago

critical · other · Jul 9, 2026

24B Credential Megadump

24B stolen credentials exposed from 36 sources

View incident → Indexed 1 month, 3 weeks ago

critical · other · Jul 9, 2026

24B credential records from 36 breach sources exposed

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

KDDI Japan ISP Network

14.2M email credentials exposed across six ISPs

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

Charter Communications Spectrum

40M customer records stolen via vishing attack

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

KDDI Japan Telco

14.2M email addresses and passwords leaked

View incident → Indexed 1 month, 3 weeks ago

critical · finance · Jul 9, 2026

Aflac Life Insurance Japan

4.38M customer records stolen including bank details

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

Charter Spectrum

13M customer records leaked post-ransom refusal

View incident → Indexed 1 month, 3 weeks ago

high · other · Jul 9, 2026

Kodak Corporation

2.2M customer records stolen by ShinyHunters

View incident → Indexed 1 month, 3 weeks ago

critical · other · Jul 9, 2026

Madison Square Garden

26M records leaked after ransom deadline passed

View incident → Indexed 1 month, 3 weeks ago

critical · healthcare · Jul 9, 2026

NYC Health Hospitals

1.8M patient records leaked including biometrics

View incident → Indexed 1 month, 3 weeks ago

critical · other · Jul 9, 2026

Carnival Corporation

6M customer records stolen including PII

View incident → Indexed 1 month, 3 weeks ago

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 month, 3 weeks ago

critical · healthcare · Jul 9, 2026

Medtronic

3.8M patient SSNs and health records stolen

View incident → Indexed 1 month, 3 weeks ago

high · retail · Jul 9, 2026

Harrods

430K customer records stolen by unauthorized third party

View incident → Indexed 1 month, 3 weeks ago

critical · retail · Jul 9, 2026

Carnival Corporation

6M customer records stolen including names and contact data

View incident → Indexed 1 month, 3 weeks ago

critical · healthcare · Jul 9, 2026

NYC Health Hospitals

1.8M patient records exposed via vendor compromise

View incident → Indexed 1 month, 3 weeks ago

critical · healthcare · Jul 9, 2026

NYC Health and Hospitals

1.8M records stolen including biometrics and SSNs

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

KDDI Six ISPs Japan

14.2M email credentials exposed in plaintext

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

KDDI Six ISPs

14.2M email credentials exposed including plaintext passwords

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

Charter Communications

40M records stolen via vishing attack

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

June 2026 Stealer Logs

56M unique emails and 124M passwords indexed on HIBP

View incident → Indexed 1 month, 3 weeks ago

critical · tech · Jul 9, 2026

Cybernews 24B Credential Dump

24B credential records exposed via infostealer logs

View incident → Indexed 1 month, 3 weeks ago

critical · other · Jul 9, 2026

Global Credential Dump

24B credentials exposed via infostealer logs

View incident → Indexed 1 month, 3 weeks ago