Social EngineeringHealthcareHealthcarePhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedPHIHealth (basic)Identity (basic)LowContained

The Children's Mercy Hospital

bd_2cce272c9ebd9b31 · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 2, 2017

Filed

Apr 30, 2018

To disclose

21 weeks

Affected

2state residents only

Linked

3 filings

Confidence

66%

Full breach record for The Children's Mercy Hospital →5 incidents on file

Children's Mercy Hospital notified the NH Attorney General of a phishing attack compromising five employee email accounts between Dec 2017 and Jan 2018. Unauthorized parties downloaded mailbox contents, exposing PHI (medical records, diagnoses) and PII for 2 NH residents. Accounts were reset upon detection. The hospital engaged forensic experts, retrained staff on phishing, and offered 12 months of identity protection to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 21 weeks / 149 days

Dec 2, 2017

Begins

Dec 2, 2017

Discovered

Apr 30, 2018

Filed

vs. sector median

+10 wks slower

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

Montana State AGbd_5dfb7d56d9364c3e2018-04-30Candidate
Massachusetts State AGbd_a929487dab3c7ff12018-04-30Verified

Name: The Children's Mercy Hospital
norm: the children s mercy hospital

Name: The Children's Mercy Hospital
norm: the children s mercy hospital
Industry: Healthcarellm

Discovered: Dec 2, 2017
Breach occurred: Dec 2, 2017 – Jan 3, 2018
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 30, 2018
Affected individuals: 2state-resident count only
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified New Hampshire Department of Justice Office of the Attorney General
Initial access: phishing_link

During the incident: Reset compromised email accounts to stop unauthorized access
Engaged outside security experts to assist with investigation
Reviewed and catalogued information contained in mailbox accounts
Notified affected patients
Changes made: Re-education and re-training of key staff on internet scams such as phishing emails
Mandatory ongoing education for all employees regarding data security and privacy
Offered 12 months of complimentary identity protection services through AllClear ID
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(149 days from discovery to filing)
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 ↗

Montana State AGApr 30 · first

Massachusetts State AGApr 30 · first

New Hampshire State AGApr 30 · 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/childrens-mercy-hospital-20180430.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 30, 2018
Raw hash: 718e628f1ba8e1adbb37577dac900af06c6ac9143959ccaca1f77e0e43ff53f4

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityThe Children's Mercy Hospital

Victim entityThe Children's Mercy Hospital

Incidentdiscovered Dec 2, 2017

Stated responseReset compromised email accounts to stop unauthorized access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov