A1
Data Breach on August 22, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | a1.net | |
| Claimed By | Ransomed | |
| Date Discovered | Aug 22, 2023 | |
| Description | A1 Telekom Austria is the leading fixed and mobile network operator in Austria. | |
| Leak Size | Unknown |
Credential Exposure for a1.net
We've indexed 285,898 @a1.net accounts from external breaches, plus 9,966 credentials for a1.net itself.
Last checked Oct 4, 2026
| @a1.net addresses from external breaches | |
|---|---|
| Third-party breaches | 273,052 accounts · across 2009 breaches · 263,526 with a plaintext password · most recent Jun 9, 2026 |
| Combo lists | 248,290 accounts · most recent Oct 4, 2026 |
| Passwords for a1.net accounts | |
|---|---|
| Combo lists | 7,805 logins · most recent Oct 4, 2026 |
| Infostealer logs | 3,270 logins · 1,507 infected devices · most recent Oct 2, 2026 |
Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.
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