Social EngineeringFinancial ServicesFinancePhishingCustomer Data InvolvedDelayed DiscoveryGovernment IDIdentity (basic)MediumContained

Clear Mountain Bank

bd_5455e2c1096c7d91 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 7, 2020

Filed

May 4, 2021

To disclose

21 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for Clear Mountain Bank →

Clear Mountain Bank notified the New Hampshire Attorney General of a security incident involving unauthorized access to an employee's email account. The breach occurred between December 6-7, 2020, and was discovered on December 7, 2020. The investigation concluded that one New Hampshire resident's name and Social Security number were potentially accessed. The bank engaged a cybersecurity firm, reset passwords, disabled Outlook Web Access, and offered one year of identity monitoring services to the affected individual. Notification was sent to the state on May 4, 2021.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 21 weeks / 148 days

Dec 6, 2020

Begins

Dec 7, 2020

Discovered

May 4, 2021

Filed

vs. sector median

+12 wks slower

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

Maine State AGbd_71313ec5c1535c3b2021-05-04Candidate
Indiana State AGbd_c2c01152bbddbb692021-05-04Verified
Massachusetts State AGbd_df4055bae64b975c2021-05-04Verified

Name: Clear Mountain Bank
norm: clear mountain bank

Name: Clear Mountain Bank
norm: clear mountain bank
Industry: Financial Servicesllm

Discovered: Dec 7, 2020
Breach occurred: Dec 6, 2020 – Dec 7, 2020
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: May 4, 2021
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General's Office
Initial access: phishing_link

During the incident: Engaged a cybersecurity firm
Ensured email tenant was secure
Reviewed emails and attachments to identify individuals whose information may have been accessible
Reported the incident to law enforcement
Established a dedicated helpline
Offered a complimentary, one-year membership of identity monitoring services provided by Kroll
Changes made: Reset the password to the employee’s account
Disabled Outlook Web Access
Increased monitoring of network activity
Implemented additional measures to enhance existing security protocols
Continuing to educate staff on how to identify and avoid malicious emails
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(148 days from discovery to filing)
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 ↗

Maine State AGMay 4 · first

Indiana State AGMay 4 · first

Massachusetts State AGMay 4 · first

New Hampshire State AGMay 4 · 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/clear-mountain-bank-20210504.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 4, 2021
Raw hash: 34bdab284b09aa7d25ff6ea27cd9c03876d72bcf33125c62245cea1fd46d0048

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityClear Mountain Bank

Victim entityClear Mountain Bank

Incidentdiscovered Dec 7, 2020

Stated responseEngaged a cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov