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Massachusetts electric utility notifies hundreds of data breach that leaked SSNs and other info
Breaches and Incidents
July 28, 2025
comparitech
Massachusetts Municipal Wholesale Electric Company (MMWEC) disclosed a ransomware attack affecting at least 514 individuals, compromising SSNs, taxpayer IDs, and financial data. The BlackSuit gang claimed responsibility.
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Massachusetts Municipal Wholesale Electric Company
BlackSuit Ransomware
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