Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Financial accountGovernment IDMediumContained

Dartmouth-Hitchcock Medical Center

bd_0dd367350efb6f56 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 2, 2013

Filed

Jan 20, 2014

To disclose

7 weeks

Affected

12state residents only

Confidence

66%

Full breach record for Dartmouth-Hitchcock Medical Center →3 incidents on file

Dartmouth-Hitchcock Medical Center notified the NH Attorney General of a phishing incident affecting 12 NH residents. Unauthorized access to the Employee Self Service Direct Deposit Payroll system occurred from Oct 6 to Dec 2, 2013. Compromised data included names, bank account numbers, and accessible SSNs. Notifications were sent on Jan 20, 2014, offering credit monitoring.

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Incident timeline

undetected · 57 days

discovery → filing · 7 weeks / 49 days

Oct 6, 2013

Begins

Dec 2, 2013

Discovered

Jan 20, 2014

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed12 affectedView incident

Name: Dartmouth-Hitchcock Medical Center
norm: dartmouth hitchcock medical center

Name: Dartmouth-Hitchcock Medical Center
norm: dartmouth hitchcock medical center
Industry: Healthcarellm

Discovered: Dec 2, 2013
Breach occurred: Oct 6, 2013 – Dec 2, 2013
Undetected for: 57 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 20, 2014
Affected individuals: 12state-resident count only
Data types: Identity (basic)Financial accountGovernment ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Michael A. Delaney
Initial access: phishing_link

During the incident: Retained a third-party computer forensic company to investigate the extent of the unauthorized activity
Required affected employees to change their passwords
Continued to monitor system activity
Implemented further security awareness for employees
Provided written notice to affected New Hampshire residents
Offered a complimentary one-year membership in Experian’s ProtectMyID to all affected residents
Changes made: Evaluating additional technical safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 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/dartmouth-hitchcock-20140120.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 20, 2014
Raw hash: 707eaf04cc88d0dda6ab326b8689c6925c4d0b0e321e1a692906559826f2cb33

Reporting entityDartmouth-Hitchcock Medical Center

Victim entityDartmouth-Hitchcock Medical Center

Incidentdiscovered Dec 2, 2013

Stated responseRetained a third-party computer forensic company to investigate the extent of the unauthorized activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov