Social EngineeringHealthcareHealthcarePhishingCustomer Data InvolvedIdentity (basic)Health (basic)PHILowContained

Cancer Treatment Centers of America

bd_7ec3bbc9dcafe84c · schema v1 · pii pii-v1

Severity

Low

Discovered

May 15, 2019

Filed

Jul 12, 2019

To disclose

8 weeks

Affected

1state residents only

Linked

6 filings

Confidence

64%

Full breach record for Cancer Treatment Centers of America →7 incidents on file

Cancer Treatment Centers of America (CTCA) notified Montana AG of a phishing incident affecting a user's email account. Unauthorized access occurred between April 17 and May 15, 2019. Affected data included names, phone numbers, addresses, DOBs, medical record numbers, and health insurance info. CTCA engaged forensic investigators and reset credentials.

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Incident timeline

undetected · 28 days

discovery → filing · 8 weeks / 58 days

Apr 17, 2019

Begins

May 15, 2019

Discovered

Jul 12, 2019

Filed

vs. sector median

4 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

HHS OCRbd_5b1b5ef9673d06ab2019-07-12Verified
Montana State AGbd_a4d470aa98fa45972019-07-12Verified
HHS OCRbd_eb63d10a56eef5212019-07-12Candidate
Oregon State AGbd_b4f7505395f606092019-07-15 · +3dVerified

Show 1 more filing ↓up to 3d gap

Oregon State AGbd_e5913b7a0b03f0ea2019-07-15 · +3dVerified

Name: Cancer Treatment Centers of America
norm: cancer treatment centers of america

Name: Cancer Treatment Centers of America
norm: cancer treatment centers of america
Industry: Healthcarellm

Discovered: May 15, 2019
Breach occurred: Apr 17, 2019 – May 15, 2019
Undetected for: 28 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 12, 2019
Affected individuals: 1state-resident count only
Data types: Identity (basic)Health (basic)PHI
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Opened an investigation
Retained a nationally recognized forensics firm to assist us
Changed the CTCA user’s password
Changes made: Evaluating potential security enhancements
Continuing to educate the workforce about how to identify suspicious emails
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 4 states

View merged incident ↗

HHS OCRJul 12 · first

Montana State AGJul 12 · first

HHS OCRJul 12 · first

Montana State AGJul 12 · first · this page

Oregon State AG+3d

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/OCP/Breach-NotificationDetails-35.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 12, 2019
Raw hash: 777cfd27da9955d613b65a1a2037022954641ded6201f45646a34caf3da66b18

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityCancer Treatment Centers of America

Victim entityCancer Treatment Centers of America

Incidentdiscovered May 15, 2019

Stated responseOpened an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov