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Manpowergroup cybersecurity incidents and threat signals
manpowergroup.com
This company page brings together public reporting currently associated with Manpowergroup. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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Based on all published signals currently linked to Manpowergroup. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
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Manpower Suffers Ransomware Attack by RansomHub, Affecting 144,189 Individuals
Global staffing and workforce solutions firm Manpower (a brand of ManpowerGroup) experienced a ransomware attack by the RansomHub group, with unauthorized access to its network occurring between December 29, 2024, and January 12, 2025. The incident potentially led to the acquisition of sensitive personal information belonging to approximately 144,189 individuals. The stolen data reportedly includes passport scans, Social Security Numbers (SSNs), government-issued IDs, addresses, contact details, medical test results, financial statements, HR data analytics, and confidential contracts.
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What does the Manpowergroup page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Manpowergroup.
Does every mention of Manpowergroup appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.