Manpower, a major staffing agency, has disclosed a data breach affecting nearly 145,000 individuals after attackers accessed its systems in late December 2024. The RansomHub ransomware group claimed responsibility for the attack, reportedly stealing around 500GB of sensitive data, including personal client information. In response, Manpower is enhancing its IT security and offering affected individuals free credit monitoring services.

Manpower confirmed that a ransomware attack on its Lansing franchise resulted in the theft of personal information from 144,189 individuals. The breach, attributed to the RansomHub extortion group, involved unauthorized access to sensitive data, prompting the company to offer affected individuals credit monitoring services. ManpowerGroup maintains that its corporate systems were not compromised and is supporting the franchise in its response to the incident.