HackingFinancial ServicesTechnologyFinanceStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Nium, Inc.

bd_5dc5caa290830d85 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Nov 3, 2025

Filed

Dec 10, 2025

To disclose

—

Affected

Not disclosed

Linked

3 filings

Confidence

67%

Full breach record for Nium, Inc. →2 incidents on file

Nium Inc (operating as Instarem) notified Nebraska regulators of a data security incident discovered on November 3, 2025. Unauthorized access attempts resulted in the downloading of customer personal information, including names, addresses, phone numbers, Social Security Numbers, and dates of birth from an old 2022 file. Nium restricted access, reset accounts, and implemented enhanced monitoring and security controls. A complimentary credit monitoring service is being offered to affected individuals.

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Incident timeline

Nov 3, 2025

Discovered

Dec 10, 2025

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_5f564f87eade06172025-12-10Verified
New Hampshire State AGbd_3bb937ef0b9b957c2025-12-11 · +1dCandidate

Name: Nium, Inc.
norm: nium
Domain: nium.com

Name: Nium, Inc.
norm: nium
Domain: nium.com
Industry: Financial ServicesllmTechnologyllm

Discovered: Nov 3, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Restricted the unauthorized party from accessing our file system
Reset the affected accounts
Conducted a detailed investigation
Strengthened our monitoring to immediately detect and flag any such access attempts
Implemented additional security controls to further restrict and protect our file system
Offering a complimentary credit monitoring service
Changes made: Planning to migrate to a new technology stack
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGDec 10 · first

Nebraska State AGDec 10 · first · this page

New Hampshire State AG+1d

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://nebraska.gov/ago/data-breach/documents/4bd36237-fcb4-40f6-8a3a-52fc758565b5.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 10, 2025
Raw hash: afa4a6d7088c7c1fac94c5cff93cce93aacfa3a9f3513dc684bf8c1a4296f0e3

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityNium, Inc.

Victim entityNium, Inc.

Incidentdiscovered Nov 3, 2025

Stated responseRestricted the unauthorized party from accessing our file system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov