De Groot Installation Group

De Groot Installation Group

Data Breach on October 22, 2023
Data Breach Report
Victimdegrootgroep.nl
Claimed ByLockBit
Date DiscoveredOct 22, 2023
DescriptionDe Groot Installation Group is an installation firm that specializes in mechanical, electrical engineering, and fire protection services.
Leak SizeUnknown

Credential Exposure for degrootgroep.nl

We've indexed 96 @degrootgroep.nl accounts from external breaches, plus 1 credentials for degrootgroep.nl itself.

Last checked Sep 27, 2026

@degrootgroep.nl addresses from external breaches
Third-party breaches88 accounts · across 28 breaches · 86 with a plaintext password · most recent Feb 8, 2021
Combo lists62 accounts · most recent Sep 17, 2026
Passwords for degrootgroep.nl accounts
Combo lists1 logins · most recent May 21, 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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