MediumBreachHave I Been Pwned — public breach catalog· 7 Oct 2025
Adpost — 3.3M accounts
Severity: Medium · Kind: Data breach
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From the source
In February 2025, data obtained from an earlier Adpost breach surfaced. The dataset contained 3.3M records including email addresses, usernames, and display names. Adpost later published a disclosure notice and advised they'd forced a credential refresh, among other actions.
Breach facts
- Accounts affected
- 3,339,512
- Verified
- Yes
- Sensitive
- No
- Domain
- adpost.com
- Data exposed
- Email addressesNamesUsernames
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