Overview

• The Lansing franchise detected unauthorized access between December 29, 2024 and January 12, 2025 and filed breach notices with the Maine Attorney General before notifying affected individuals.
• ManpowerGroup confirms the incident was isolated to the independently operated Lansing office and did not compromise corporate systems on separate data platforms.
• RansomHub claimed to have stolen roughly 500 GB of personal and corporate files in January and subsequently removed the Manpower entry from its dark-web leak site.
• All 144,189 impacted people are being offered free Equifax credit monitoring and identity theft protection services.
• Manpower has bolstered its IT security, engaged external cybersecurity experts and is cooperating with the FBI in the ongoing investigation.