HackingGovernmentGovernmentStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)CredentialsMediumContained

County of Mercer

bd_b7e5d2bb274e6ed8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 6, 2019

Filed

Jan 19, 2021

To disclose

17 months

Affected

1state residents only

Confidence

67%

Full breach record for County of Mercer →2 incidents on file

County of Mercer notified New Hampshire AG of a September 2019 email account compromise affecting one NH resident. Unauthorized access occurred via valid credentials. Data included PII, SSN, financial, and health info. Remediation included credit monitoring via Kroll and law enforcement cooperation.

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Incident timeline

discovery → filing · 17 months / 501 days

Sep 6, 2019

Discovered

Jan 19, 2021

Filed

vs. sector median

+61 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Cipriani & Werner
norm: cipriani werner
Domain: c-wlaw.com

Name: County of Mercer
norm: county of mercer
Industry: government_public
Industry: Governmentllm

Discovered: Sep 6, 2019
Materiality determined: —
Notification sent: Jan 8, 2021
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)Credentials
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Resetting the passwords required to access the affected employee email account
Implementing additional email and network security measures
Engaging a third-party expert forensics firm
Contacted law enforcement and worked with prosecutors, the FBI and local police
Changes made: Implementing additional security measures
Arranged for you to activate, at no cost to you, in identity monitoring services for one year provided by Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 months(501 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/mercer-county-20210119.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 19, 2021
Raw hash: e665c7e3e399d48bc24264bd88747bf4f8b9884db108388208f84d133c281579

Reporting entityCipriani & Werner

Victim entityCounty of Mercer

Incidentdiscovered Sep 6, 2019

Stated responseResetting the passwords required to access the affected employee email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov