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Manpower Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Manpower data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Manpower Group and Manpower of Lansing
Manpower of Lansing, MI Inc. is a staffing and workforce solutions company that has been serving Michigan and Indiana since 1962. With a network of 13 offices, the company is locally owned and operated, focusing on connecting employers with job seekers across various industries.
Manpower of Lansing, MI Inc. operates independently from the global parent company ManpowerGroup, Inc., and is recognized as a regional staffing provider in the Midwest.
What was the Manpower Ransomware Attack?
In late December 2024, Manpower Group experienced a major ransomware attack. On Jan. 20, 2025, the company discovered an IT outage that disrupted access to local systems. After investigating with the help of cybersecurity experts, it was determined that an unauthorized actor had accessed the company’s network between December 29, 2024, and January 12, 2025.
The attack was was done by the RansomHub ransomware group, which claimed to have acquired 500 GB of company data and threatened to publish it on the dark web.
By July 28, 2025, Manpower confirmed that sensitive information belonging to approximately 144,189 individuals in the United States had potentially been exposed. The company began notifying affected individuals by U.S. Mail on Aug. 11, 2025.
Information Exposed:
- Name of individual
- Social Security number information
- Driver’s license number
- Government-issued ID number (such as passport, state ID card)
- Medical information
The company reported the breach to state attorneys general in Maine, Massachusetts, Texas and Vermont and offered affected individuals complimentary Equifax credit monitoring and identity theft protection services.
Your Rights and Next Steps
If you received a notification letter from Manpower, it is important to understand your rights and the steps you can take to protect yourself. Here’s what you can do:
- Monitor your credit: Take advantage of the complimentary Equifax credit monitoring and identity theft protection services offered by Manpower. This includes daily access to your Equifax credit report, fraud alerts, and identity theft recovery services.
- Review account statements: Regularly check your bank, credit card and other financial statements for unauthorized activity.
- Obtain your credit report: You are entitled to a free credit report from each of the three major credit bureaus every 12 months.
- Consider a fraud alert or security freeze: Placing a fraud alert on your credit report is free and makes it harder for someone to open new accounts in your name. A security freeze offers even stronger protection by blocking access to your credit file.
- Report suspicious activity: If you notice any signs of identity theft or fraud, report it to law enforcement, your state attorney general and the Federal Trade Commission (FTC).
- Stay informed: Keep all documentation related to the breach and any suspicious activity, as this may be helpful if you need to take further action.
Lawyers are ready to help individuals who have been affected by this data breach. If your information was compromised, you have the right to seek compensation for any harm or inconvenience caused.
You May Be Entitled to Compensation
If you were affected by the Manpower data breach, you may be eligible for compensation. Lawyers are actively investigating this incident and working to help victims protect their rights.
Completing the below form is the first step toward joining a potential lawsuit and holding the responsible parties accountable.
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