FirstLight

FirstLight

Data Breach on September 05, 2025
Data Breach Report
Victimfirstlight.net
Claimed ByLynx
Date DiscoveredSep 05, 2025
DescriptionFirstLight is a telecommunications company based in the USA, providing fiber-optic data, internet services, data center access, cloud, unified communications, and managed services to enterprise and carrier customers across the Northeast and Mid-Atlantic regions.
Leak SizeUnknown

Credential Exposure for firstlight.net

We've indexed 126 @firstlight.net accounts from external breaches, plus 6 credentials for firstlight.net itself.

Last checked Aug 31, 2026

@firstlight.net addresses from external breaches
Third-party breaches92 accounts · across 51 breaches · 87 with a plaintext password · most recent Aug 18, 2024
Combo lists61 accounts · most recent Aug 29, 2026
Passwords for firstlight.net accounts
Combo lists6 logins · most recent Aug 7, 2026
Infostealer logs1 logins · 1 infected devices · most recent Apr 20, 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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