AccidentalHealthcareHealthcareMisconfigurationCustomer Data InvolvedData ExfiltratedPHIIdentity (basic)Government IDHealth (basic)HighContained

Cottage Health System

bd_9e165c7d71cec9af · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 8, 2015

Filed

Dec 1, 2015

To disclose

23 days

Affected

11,000

Linked

4 filings

Confidence

65%

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

Cottage Health disclosed that PHI for approximately 11,000 patients was inadvertently exposed to the internet due to a server misconfiguration between October 26 and November 8, 2015. The exposed data included names, addresses, SSNs, insurance info, and limited medical records. The server was taken offline upon discovery on November 8, 2015. Identity theft protection services were offered to affected individuals.

J jump to incidentP pin to compareR raw source

California clockDiscovered Nov 8, 2015 → Notified Nov 24, 201516d ✓ CA 60-day OK23 days discovery → filing

Incident timeline

undetected · 13 days

discovery → filing · 23 days

Oct 26, 2015

Begins

Nov 8, 2015

Discovered

Dec 1, 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_5fff611444f8c2a62015-12-01Verified
Montana State AGbd_c2404fbd450f96c72015-12-03 · +2dVerified
Massachusetts State AGbd_58c53dbe79610fe32015-12-07 · +6dVerified

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: 11,000nationwide
Data types: PHIIdentity (basic)Government IDHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Misconfiguration

During the incident: Took the server off line
Working with forensics experts to investigate the cause and scope of the security incident
Monitor internet search engines for patient PHI
Submit take-down requests when any such data is identified on the internet
Offering identity theft protection services through ID Experts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 days(23 days from discovery to filing)
Compliance flags: CA 60-day OK · 16d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 8, 2015
→ Notified: Nov 24, 2015
16d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 8, 2015 → Notified: Nov 24, 2015	16d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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 · this page

Montana State AG+2d

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://oag.ca.gov/ecrime/databreach/reports/sb24-59101
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 1, 2015
Raw hash: 1f6b241516e9d5a9ab2292697be2202a27b8dd6aa1db51d389ea7e4d3f82400a

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCottage Health System

Victim entityCottage Health System

Incidentdiscovered Nov 8, 2015

Stated responseTook the server off line

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov