McDermott

McDermott

Data Breach on May 01, 2023
Data Breach Report
Victimmcdermott.com
Claimed ByALPHV
Date DiscoveredMay 01, 2023
DescriptionMcDermott International, Ltd is a global provider of engineering and construction solutions to the energy industry.
Leak SizeUnknown

Credential Exposure for mcdermott.com

We've indexed 2,882 @mcdermott.com accounts from external breaches, plus 262 credentials for mcdermott.com itself.

Last checked Oct 4, 2026

@mcdermott.com addresses from external breaches
Third-party breaches2,676 accounts · across 310 breaches · 2,485 with a plaintext password · most recent Feb 26, 2026
Combo lists1,216 accounts · most recent Oct 3, 2026
Passwords for mcdermott.com accounts
Combo lists198 logins · most recent Oct 3, 2026
Infostealer logs113 logins · 69 infected devices · most recent Oct 1, 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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