HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

MountainOne

bd_c982f045f09c1ace · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 9, 2022

To disclose

—

Affected

10state residents only

Linked

4 filings

Confidence

66%

Full breach record for MountainOne →

MountainOne notified the NH Attorney General of unauthorized access to two employee email accounts between July 29 and August 10, 2022. The investigation determined that information belonging to ten New Hampshire residents, including names, Social Security numbers, driver's license numbers, or financial account numbers, was potentially accessed. MountainOne secured the accounts, engaged a forensic firm, and offered credit monitoring.

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Incident timeline

Jul 29, 2022

Begins

Dec 9, 2022

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_20d7745913baec182022-12-09Verified
Indiana State AGbd_279d3c0f62a7e9292022-12-09Verified
Montana State AGbd_cffdd270fbaaf2e42022-12-09Candidate

Name: MountainOne
norm: mountainone

Name: MountainOne
norm: mountainone
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Jul 29, 2022 – Aug 10, 2022
Materiality determined: —
Notification sent: Dec 9, 2022
Affected individuals: 10state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified the New Hampshire Attorney General

During the incident: Secured both email accounts
Commenced an investigation with the assistance of a forensic firm
Reviewed the emails and attachments that could have potentially been accessed or viewed
Offering the New Hampshire residents a complimentary one-year membership to credit monitoring and identity theft protection services
Established a dedicated, toll-free call center
Changes made: Taken steps to enhance its existing security measures
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 · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGDec 9 · first

Indiana State AGDec 9 · first

Montana State AGDec 9 · first

New Hampshire State AGDec 9 · first · this page

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/mountainone-20221209.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 9, 2022
Raw hash: 68ff7f2410236928c87f81597da4e04cca57f14da256c1f6e61c4fd2ed091f4e

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMountainOne

Victim entityMountainOne

IncidentUnauthorized Access

Stated responseSecured both email accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov