Man Group
ent_d3957d22d44f9390e7f3b9b0
Disclosures
3
State AG · 3 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
346
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Man Group
- Normalized
- man group— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (3)newest first
- Indiana State AGas victim2026-09-23
Man Group reported a data breach to the Indiana Attorney General. The breach occurred on 2026-03-28 and was reported on 2026-09-23. 3 Indiana residents were affected. 346 individuals affected in total.
- New Hampshire State AGas victim2026-09-21
Man Group notified the NH Attorney General of a data breach affecting 1 New Hampshire resident. The incident occurred via a third-party IT service management platform used by Ernst & Young LLP (EY), Man Group's tax service provider. Between March 28 and April 12, 2026, an unauthorized third party accessed the platform and downloaded documents containing personal information, including names, Social Security numbers, and financial information related to tax filings. EY identified anomalous activity on April 22, 2026, and confirmed unauthorized access on April 23, 2026. EY contained the incident, engaged forensic investigators, and notified law enforcement. Affected individuals are offered 24 months of credit and identity monitoring.
- Massachusetts State AGas victim2026-09-01
Ernst & Young LLP notified individuals on behalf of Man Group regarding a data security incident involving personal information related to investment holdings. EY, which provides tax services to Man Group, secured systems, launched a third-party investigation, and notified federal law enforcement. Affected individuals are offered 24 months of Experian IdentityWorks. The specific nature of the breach and dates of occurrence are not disclosed in the notice.