A1

A1

Data Breach on August 22, 2023
Data Breach Report
Victima1.net
Threat ActorRansomed
Date DiscoveredAug 22, 2023
DescriptionA1 Telekom Austria is the leading fixed and mobile network operator in Austria.
Leak SizeUnknown

Credential Exposure for a1.net

We've indexed 284,958 @a1.net accounts from external breaches, plus 8,933 credentials for a1.net itself.

Last checked Aug 16, 2026

@a1.net addresses from external breaches
Third-party breaches273,052 accounts · across 2009 breaches · 263,526 with a plaintext password · most recent Jun 9, 2026
Combo lists247,204 accounts · most recent Aug 15, 2026
Passwords for a1.net accounts
Combo lists6,908 logins · most recent Aug 15, 2026
Infostealer logs3,025 logins · 1,420 infected devices · most recent Aug 8, 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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