Ransomware Leak
clop
MASTEC.COM
Data leak attributed to clop, first discovered on 2025-10-31. Approximately 9,643,548 records were reported exposed.
Threat group
clop
Records exposed
9,643,548
Discovered
2025-10-31
Country
US
Indexed
2025-12-02
Website
MASTEC.COM
Source ID
23708
About this leak
[AI generated] MasTec, Inc. is a leading American infrastructure construction firm. Founded in 1929 and currently headquartered in Coral Gables, Florida, MasTec delivers a range of services across different industries including electricity, oil and gas, technology, and telecommunications. Its wide array of services include engineering, building, installation, maintenance, upgrade of energy, utility, and communications infrastructure.
What is inside this leak sample
Indexed records
9,643,548
With email
•••
ID documents
•••
File types
•••
Corporate vs personal email
89.07% corporate · 10.93% personal
Top corporate email domains
% of corporate emails
mastec.com
27.38%
mtzprdap1.mastec.com
10.8%
6 more hidden ·
Enterprise
Analysed 2026-09-01
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