Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

Hematology Oncology Associates PC

bd_a72217c8a5298b57 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 19, 2019

Filed

May 21, 2019

To disclose

9 weeks

Affected

6state residents only

Linked

5 filings

Confidence

65%

Full breach record for Hematology Oncology Associates PC →

Hematology Oncology Associates PC notified patients that unauthorized persons accessed employee email accounts between Dec 2018 and Feb 2019 via phishing. Personal information was potentially exposed. The company secured accounts, hired forensic investigators, forced password resets, and offered one year of Experian IdentityWorks.

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Incident timeline

undetected · 91 days

discovery → filing · 9 weeks / 63 days

Dec 18, 2018

Begins

Mar 19, 2019

Discovered

May 21, 2019

Filed

vs. sector median

3 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

California State AGbd_1025d00c8b95c6c32019-05-21Verified
Massachusetts State AGbd_10ed30dc1a0e4dc92019-05-21Verified
HHS OCRbd_960c5eef44ef84122019-05-21Verified
Oregon State AGbd_9d75d806d6a4a5ce2019-05-28 · +7dVerified

Name: Hematology Oncology Associates PC
norm: hematology oncology associates

Name: Hematology Oncology Associates PC
norm: hematology oncology associates
Industry: Healthcarellm

Discovered: Mar 19, 2019
Breach occurred: Dec 18, 2018 – Feb 28, 2019
Undetected for: 91 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 19, 2019
Affected individuals: 6state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Secured the accounts
Began an investigation
Hired a computer forensic firm to assist
Conducted a thorough review of the email accounts involved
Arranged for you to receive a complimentary one-year membership to Experian’s® IdentityWorksSM Credit 3B
Changes made: Forced a password change for all employees
Reinforcing employee training on how to detect and avoid phishing emails
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(63 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

California State AGMay 21 · first

Massachusetts State AGMay 21 · first

HHS OCRMay 21 · first

Montana State AGMay 21 · first · this page

Oregon State AG+7d

Pattern: first filing May 21 (CA), last May 28 (OR) — a 7-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/OCP/CON-HOA-Notice-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 21, 2019
Raw hash: d8396f542ee9a72929f0225caaed107ceacf127d6186ef0525502194b3334ca1

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHematology Oncology Associates PC

Victim entityHematology Oncology Associates PC

Incidentdiscovered Mar 19, 2019

Stated responseSecured the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov