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Incidents involving:

Adpost

Data breachResolved

Adpost data breach (2025)

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.

Victim
Adpost
Records
3.3M