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Listed on a ransomware leak site

MBM

mbm.edu.pl

MBM was listed on the The Gentlemen leak site on Jan 24, 2026. Information as of Oct 19, 2026.

Country: PolandIndustry: Education and Research
Updated continuously · figures as of Oct 19, 2026
Claimed by
The Gentlemen
First listed
Jan 24, 2026
Claims recorded
1

Leak-Site Claim.

The GentlemenConfirmed claim
Posted on the leak site
Jan 24, 2026
Collected by Brandefense
Apr 3, 2026
Data claimed
Not stated
Leak-site post text, written by the group
[removed] MBM is a Polish company specializing in professional training, compliance support, and implementation of mandatory procedures for both public institutions and private organizations across the country. They have over eight years of experience delivering vocational training, advisory services, audits, and ready‐to‐use documentation tailored to legal requirements, particularly in areas such as data protection and workplace obligations. Their services include courses on personal data protection and assistance in meeting the requirements of current data privacy laws, helping clients…

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AirQ
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The GentlemenMXMexicoHealthcareNot stated
Wellington College International School Bangkok
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The GentlemenTHThailandEducation and ResearchNot stated
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The GentlemenECEcuadorGovernment and Public SectorNot stated
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The GentlemenUSUnited StatesHealthcareNot stated
Other confirmed victims in the same industry
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The Akeeli Group
theakeeligroup.com
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Solid Trading B.V.
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First Brothers Co., Ltd
firstbrothers.com
QilinJPJapanEducation and ResearchNot stated
Wellington College International School Bangkok
wellingtoncollege.ac.th
The GentlemenTHThailandEducation and ResearchNot stated
nowaszkola.com
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INC RansomPLPolandEducation and ResearchNot stated

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.