Social EngineeringHealthcareHealthcarePhishingStolen CredentialsMulti-Stage ChainCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountMediumActive

Partners HealthCare System, Inc.

bd_15a96113f1645d43 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 25, 2014

Filed

Feb 12, 2015

To disclose

11 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for Partners HealthCare System, Inc. →3 incidents on file

Partners HealthCare System, Inc. notified the NH Attorney General on Feb 12, 2015, regarding a phishing incident discovered Nov 25, 2014. Workforce members provided credentials to attackers, leading to unauthorized access to PeopleSoft/HR systems. Affected data included names, SSNs, DOBs, and bank account numbers for employees and dependents. No specific count was provided. Remediation included forensic investigation and enhanced authentication.

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Incident timeline

discovery → filing · 11 weeks / 79 days

Nov 25, 2014

Discovered

Feb 12, 2015

Filed

vs. sector median

1 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_e3ca5d78b8d2ce422015-02-13 · +1dVerified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Partners HealthCare System, Inc.
norm: partners healthcare system
Industry: Healthcarellm

Discovered: Nov 25, 2014
Materiality determined: —
Notification sent: Feb 12, 2015
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: phishing_link

During the incident: Began an investigation
Contacted law enforcement
Alerted the affected employees
Working with an expert computer forensic firm to investigate the incident
Notifying affected workforce members and their designated beneficiaries and dependents
Offering eligible individuals a complimentary one-year membership in credit monitoring and identity theft protection services from Experian
Established a call center to assist individuals with any questions
Changes made: Continuing to re-enforce education with its workforce regarding phishing emails
Implementing enhancements for strengthening user login authentication to its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(79 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGFeb 12 · first · this page

Massachusetts State AG+1d

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/partners-healthcare-system-20150212.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 12, 2015
Raw hash: 734adcc7eea30787c8b60e090210171c048e7e3dd3631271c066271e92765e89

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityPartners HealthCare System, Inc.

Incidentdiscovered Nov 25, 2014

Stated responseBegan an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov