AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedPHIHealth (basic)Government IDIdentity (basic)Financial accountHighContained

Cottage Health System

bd_c2404fbd450f96c7 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 8, 2015

Filed

Dec 3, 2015

To disclose

25 days

Affected · nationwide

11,0001 in this filing

Linked

4 filings

Confidence

66%

Full breach record for Cottage Health System →2 incidents on file

Cottage Health disclosed that PHI of approximately 11,000 patients was inadvertently exposed to the internet between October 26 and November 8, 2015. The exposure included names, addresses, SSNs, insurance info, and limited medical data. The server was taken offline on November 8, 2015, and patients were offered 12 months of credit monitoring and identity theft protection.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 13 days

discovery → filing · 25 days

Oct 26, 2015

Begins

Nov 8, 2015

Discovered

Dec 3, 2015

Filed

vs. sector median

9 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

HHS OCRbd_5fff611444f8c2a62015-12-01 · +2dVerified
California State AGbd_9e165c7d71cec9af2015-12-01 · +2dVerified
Massachusetts State AGbd_58c53dbe79610fe32015-12-07 · +4dVerified

Name: Cottage Health System
norm: cottage health system

Name: Cottage Health System
norm: cottage health system
Industry: Healthcarellm

Discovered: Nov 8, 2015
Breach occurred: Oct 26, 2015 – Nov 8, 2015
Undetected for: 13 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 24, 2015
Affected individuals: 11,000state + nationwide
Data types: PHIHealth (basic)Government IDIdentity (basic)Financial account
Data elements: Social Security numberMedical information
Attack vector: Misconfiguration
MITRE ATT&CK: T1074 Data Staged

During the incident: Working with forensics experts to investigate the cause and scope of the security incident
Took the server off line
Began investigating the incident
Continues to monitor internet search engines for patient PHI
Submitting take-down requests when any such data is identified on the internet
Offering identity theft protection services through ID Experts
Offering 12 months of single-Bureau Credit Monitoring
Offering reimbursement of up to $1,000,000 for expenses related to identity theft
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 25 days(25 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

HHS OCRDec 1 · first

California State AGDec 1 · first

Montana State AG+2d · this page

Massachusetts State AG+6d

Pattern: first filing Dec 1 (CA), last Dec 7 (MA) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://dojmt.gov/wp-content/uploads/Cottage-Health.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 3, 2015
Raw hash: c9e7ba9ed6729425fda07822a623e1efa99e4b1be8635830bfbf00be8d200bce

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCottage Health System

Victim entityCottage Health System

Incidentdiscovered Nov 8, 2015

Stated responseWorking with forensics experts to investigate the cause and scope of the security incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov