The thegentlemen ransomware group listed MBM on its data leak site on 2026-01-24. Country: PL Sector: Education Domains named: mbm.edu.pl Claim as published on the leak site: https://mbm.edu.pl 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 align with GDPR‑related duties and other legal obligations concerning handling and safeguarding personal information.