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TEAM GROUP

medusa

This record tracks a ransomware attack claimed by the medusa group against TEAM GROUP. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

288days open
t1 · Published t2 · Pending
Sep 01, 2025Not disclosed yet
Country
Thailand
Business Category
Services
Employees
+1000
Discovered
2025-09-03
Published
September 01, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
8AND5UppFHqZ

Attack Summary

TEAM GROUP is one of the leading integrated consulting firms in Thailand and region with more than 40 years of experience in comprehensive consulting services in the areas of Building and Infrastructure, Water Resources, Environmental Management, Transport and Logistics, as well as Power and Energy. TEAM GROUP has accomplished more than 2,500 projects in Thailand and overseas including the Xayaburi Hydroelectric Power Project, Suvarnabhumi Airport, Government Complex, and MRT Blue Line Extension. company is headquartered in TEAM Building, 151 Nuan Chan Road, Nuan Chan, Bueng Kum, Bangkok 10230 Thailand 1028 Employees. The total amount of data leakage is 2.25 TB

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Cross-referenced against HaveIBeenRansom's dark-web index of ransomware leaks, breaches & infostealer logs.
0
found in Infostealer logs
0
found in Traditional breaches
0
found in Ransomware leaks
Emails exposed
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Internal
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External
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Distinct leaks
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••• emails
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••• emails
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••• emails
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••• emails
Full exposure is locked
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