978 disclosed16.04 B records
BREACHBreach timeline
Disclosed breaches catalogued by Have I Been Pwned — aggregate metadata only, no PII. Refreshed weekly. Authored by Adam Lundqvist.
978
disclosed breaches
16.04 B
records compromised
68%
involve passwords
7
malware-linked
Disclosed breaches per year
Click a bar to filter the table by year. Bar tooltip shows the year’s record total.
Top 25 of 978 matching
| Name | Domain | Records | Date | Data classes |
|---|---|---|---|---|
| Dropbox | dropbox.com | 68.6 M | 2012-07-01 | Email addresses, Passwords |
| You've Been Scraped | — | 66.1 M | 2018-10-05 | Email addresses, Employers, Geographic locations +3 |
| tumblr | tumblr.com | 65.5 M | 2013-02-28 | Email addresses, Passwords |
| Modern Business Solutions | modbsolutions.com | 58.8 M | 2016-10-08 | Dates of birth, Email addresses, Genders +5 |
| The Post Millennial | thepostmillennial.com | 57.0 M | 2024-05-02 | Email addresses, Genders, IP addresses +5 |
| Hot Topic | hottopic.com | 56.9 M | 2024-10-19 | Dates of birth, Email addresses, Genders +6 |
| Not Acxiom | — | 51.7 M | 2020-06-21 | Email addresses, IP addresses, Names +2 |
| iMesh | imesh.com | 49.5 M | 2013-09-22 | Email addresses, IP addresses, Passwords +1 |
| AT&T | — | 49.1 M | 2021-08-20 | Dates of birth, Email addresses, Government issued IDs +3 |
| Netlog | netlog.com | 49.0 M | 2012-11-01 | Email addresses, Passwords |
| Houzz | houzz.com | 48.9 M | 2018-05-23 | Email addresses, Geographic locations, IP addresses +4 |
| Straffic | straffic.io | 48.6 M | 2020-02-14 | Email addresses, Genders, Names +2 |
| Data & Leads | datanleads.com | 44.3 M | 2018-11-14 | Email addresses, Employers, IP addresses +4 |
| Edmodo | edmodo.com | 43.4 M | 2017-05-11 | Email addresses, Passwords, Usernames |
| Kayo.moe Credential Stuffing List | — | 41.8 M | 2018-09-11 | Email addresses, Passwords |
| piZap | pizap.com | 41.8 M | 2017-12-07 | Email addresses, Genders, Geographic locations +5 |
| ShareThis | sharethis.com | 41.0 M | 2018-07-09 | Dates of birth, Email addresses, Names +1 |
| Flingsensitive | fling.com | 40.8 M | 2011-03-10 | Dates of birth, Email addresses, Genders +8 |
| Chegg | chegg.com | 39.7 M | 2018-04-28 | Email addresses, Names, Passwords +3 |
| SHEIN | shein.com | 39.1 M | 2018-06-01 | Email addresses, Passwords |
| Canadian Tire | canadiantire.ca | 38.3 M | 2025-10-02 | Dates of birth, Email addresses, Genders +5 |
| Last.fm | last.fm | 37.2 M | 2012-03-22 | Email addresses, Passwords, Usernames +1 |
| Poshmark | poshmark.com | 36.4 M | 2018-05-16 | Email addresses, Genders, Geographic locations +3 |
| Addi | addi.com | 34.5 M | 2026-03-25 | Age groups, Credit scores, Device information +10 |
| Neiman Marcus | neimanmarcus.com | 31.2 M | 2024-04-14 | Dates of birth, Email addresses, IP addresses +5 |