T-Mobile US

T-Mobile US

Data Breach on October 08, 2026
Data Breach Report
Victimt-mobile.com
Claimed ByBYOD
Date DiscoveredOct 08, 2026
DescriptionT-Mobile US, Inc. is a telecommunications company based in the USA (Washington), providing wireless network, mobile communications, and related connectivity services.
Leak SizeUnknown

Credential Exposure for t-mobile.com

We've indexed 16,083 @t-mobile.com accounts from external breaches, plus 105,876 credentials for t-mobile.com itself.

Last checked Oct 8, 2026

@t-mobile.com addresses from external breaches
Third-party breaches13,299 accounts · across 509 breaches · 12,355 with a plaintext password · most recent Oct 6, 2026
Combo lists10,076 accounts · most recent Oct 8, 2026
Phishing pages25 accounts · most recent Aug 13, 2026
Passwords for t-mobile.com accounts
Combo lists94,851 logins · most recent Oct 8, 2026
Infostealer logs25,069 logins · 13,651 infected devices · most recent Oct 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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