MASSACHUSETTSSocial EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedHealth (basic)Identity (basic)Government IDHighResolved

Partners HealthCare System, Inc.

bd_b18ec7eab3dcb46d · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

May 1, 2015

To disclose

—

Affected

3,321

Confidence

98%

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

Partners HealthCare System, Inc. reported to HHS on 2015-05-01 a Hacking/IT Incident (phishing) affecting 3,321 individuals. A phishing email sent to 392 employees led to 50 employees providing unauthorized access to their email accounts, which were hosted on a Network Server. Breached PHI included names, addresses, dates of birth, Social Security numbers, diagnoses, medications, and other treatment information. The CE notified HHS, affected individuals, and the media, and subsequently implemented stronger passwords, two-factor authentication, and additional phishing awareness training. OCR obtained assurances of corrective action.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

May 1, 2015

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3,321 affectedView incident

Name: Partners HealthCare System, Inc.
norm: partners healthcare system
Industry: Health Care Services

Name: Partners HealthCare System, Inc.
norm: partners healthcare system
Industry: Health Care Services
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 3,321nationwide
Data types: Health (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566 PhishingT1078 Valid Accounts
Threat actor: External
Regulator citations: OCR obtained assurances that the CE implemented corrective actions including strengthened password requirements, two-factor authentication, and additional phishing awareness training.
Initial access: phishing_link

During the incident: Strengthened password requirements
Implemented two-factor authentication
Conducted additional training and awareness sessions regarding phishing campaigns
Provided breach notification to HHS, affected individuals, and the media
Changes made: Strengthened password requirements
Implemented two-factor authentication
Conducted phishing awareness training for employees
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: May 1, 2015
Raw hash: 366dd5e6558ff2bdc9eb645075dd17be16d407c68cdd93e3272236f8628d6dd4

AI-assisted summary above. The structured extract on this page was generated from the document below. Inspect the source to verify or correct any field.

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Reporting entityPartners HealthCare System, Inc.

Victim entityPartners HealthCare System, Inc.

IncidentUnauthorized Access

Stated responseStrengthened password requirements

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing