Frontier Communications

Frontier Communications

Data breach claim reported June 04, 2024
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Data Breach Report
Victimfrontier.com
Claimed ByRansomhub
Date DiscoveredJun 04, 2024
DescriptionFrontier Communications is an independent provider of telecommunications services that offers voice, data, and video services.
Leak Size5GB

Breach claims on this page are published by threat actors and haven't been verified by Breachsense.

Credential Exposure for frontier.com

We've indexed 329,064 @frontier.com accounts from external breaches, plus 7,728 credentials for frontier.com itself.

Last checked Nov 8, 2026

@frontier.com addresses from external breaches
Third-party breaches290,590 accounts · across 4386 breaches · 233,857 with a plaintext password · most recent Oct 23, 2026
Combo lists174,575 accounts · most recent Nov 8, 2026
Phishing pages14 accounts · most recent Nov 1, 2026
Passwords for frontier.com accounts
Combo lists5,147 logins · most recent Nov 8, 2026
Infostealer logs2,944 logins · 1,717 infected devices · most recent Nov 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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