Cyberattack at MA Utility
Ludlow, Massachusetts-based utility Massachusetts Municipal Wholesale Electric Company (MMWEC) suffered a ransomware attack where hackers stole personally identifiable information from victims.
“On February 2, 2025, MMWEC discovered suspicious activity in its environment. In response, MMWEC immediately took steps to secure its environment and launched an investigation to determine the nature and scope of the incident,” said a letter to victims of the incident. “The investigation determined that between January 25, 2025 and February 3, 2025, an unknown, unauthorized actor gained access to certain MMWEC computer systems and accessed and/or acquired certain files stored on these systems.
MMWEC said it quickly began a thorough review of the relevant files to identify individuals with personal information potentially impacted. MMWEC completed this review on June 10.