HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Manpower of Lansing, MI Inc.

bd_b5956ba9bace8fc7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 28, 2025

Filed

Aug 11, 2025

To disclose

14 days

Affected

11state residents only

Linked

8 filings

Confidence

66%

Full breach record for Manpower of Lansing, MI Inc. →

Manpower of Lansing, MI Inc. notified the New Hampshire Attorney General of a data security incident affecting 11 NH residents. Unauthorized access occurred between Dec 29, 2024, and Jan 12, 2025. Personal information, including names and Social Security numbers, was potentially accessed. The company engaged forensic experts, reported to the FBI, and provided 12 months of Equifax credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 211 days

discovery → filing · 14 days

Dec 29, 2024

Begins

Jul 28, 2025

Discovered

Aug 11, 2025

Filed

vs. sector median

17 wks faster

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Vermont State AGbd_4b647d81ffd7347c2025-08-11Verified
Massachusetts State AGbd_4fbc412296d8d6ef2025-08-11Verified
Nebraska State AGbd_9655b51f2ac157972025-08-11Verified
Maine State AGbd_ccfe23f9fb354e102025-08-11Verified

Show 3 more filings ↓up to 161d gap

Texas State AGbd_929f56b712ed949d2025-08-12 · +1dVerified
Montana State AGbd_e92e28cc50a946e02025-08-12 · +1dVerified
Indiana State AGbd_19184371c4f242b02025-03-03 · +161dCandidate

Name: Manpower of Lansing, MI Inc.
norm: manpower of lansing mi

Name: Manpower of Lansing, MI Inc.
norm: manpower of lansing mi
Industry: Professional Servicesllm

Discovered: Jul 28, 2025
Breach occurred: Dec 29, 2024 – Jan 12, 2025
Undetected for: 211 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 11, 2025
Affected individuals: 11state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney GeneralReported this incident to federal law enforcement
Initial access: exploit_public_facing

During the incident: Retained cybersecurity experts and launched a forensics investigation
Implemented additional security measures to further harden its environment
Reported this incident to federal law enforcement and is cooperating with the investigation
Notified the Federal Bureau of Investigation
Offering affected individuals complimentary Equifax credit monitoring and identity protection services through Epiq
Changes made: Implemented additional security measures to further harden its environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Indiana State AGMar 3 · first

Vermont State AG+161d

Massachusetts State AG+161d

Nebraska State AG+161d

Maine State AG+161d

New Hampshire State AG+161d · this page

Texas State AG+162d

Montana State AG+162d

Pattern: first filing Mar 3 (IN), last Aug 12 (MT) — a 162-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/manpower-lansing-mi-20250811.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 11, 2025
Raw hash: 3ec6be5e0047c05c4484011142e0de8220b97124e9176de2dcbbe544a3e60c88

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityManpower of Lansing, MI Inc.

Victim entityManpower of Lansing, MI Inc.

Incidentdiscovered Jul 28, 2025

Stated responseRetained cybersecurity experts and launched a forensics investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov