atento.com

atento.com

Data Breach on October 25, 2021
Data Breach Report
Victimatento.com
Threat ActorLockBit
Date DiscoveredOct 25, 2021
DescriptionN/A
Leak SizeN/A

Credential Exposure for atento.com

We've indexed 3,782 @atento.com accounts from external breaches, plus 1,954 credentials for atento.com itself.

Last checked Aug 16, 2026

@atento.com addresses from external breaches
Combo lists3,500 accounts · most recent Aug 15, 2026
Third-party breaches314 accounts · across 86 breaches · 276 with a plaintext password · most recent Dec 18, 2025
Passwords for atento.com accounts
Infostealer logs1,155 logins · 588 infected devices · most recent Aug 8, 2026
Combo lists1,138 logins · most recent Aug 15, 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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