HackingHealthcareHealthcareVulnerability ExploitZero-DaySupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

Hematologics

bd_4ac405323aefac70 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 30, 2023

Filed

Jan 30, 2024

To disclose

8 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for Hematologics →

Hematologics, Inc. notified Montana residents of a data breach involving its third-party vendor Paycor, Inc. and the MOVEit Transfer solution. A zero-day vulnerability exploited on or around May 31, 2023, led to the exfiltration of personal information including names, SSNs, and DOBs. Hematologics discovered the incident on December 6, 2023, and sent notification letters on January 30, 2024, offering 12 months of credit monitoring.

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Incident timeline

undetected · 183 days

discovery → filing · 9 weeks / 61 days

May 31, 2023

Begins

Nov 30, 2023

Discovered

Jan 30, 2024

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Maine State AGbd_b48e76228be74c372024-02-22 · +23dVerified by operator

Name: Hematologics
norm: hematologics
Domain: hematologics.com

Name: Hematologics
norm: hematologics
Domain: hematologics.com
Industry: Healthcarellm

Discovered: Nov 30, 2023
Breach occurred: May 31, 2023
Undetected for: 183 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 30, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Third party: via Paycor, Inc.
Initial access: exploit_public_facing

During the incident: Engaged third party professionals to assist in the investigation and remediation of the vulnerability
Offering complimentary access to Experian IdentityWorks for 12 months
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(55 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGJan 30 · first · this page

Maine State AG+23d

Pattern: first filing Jan 30 (MT), last Feb 22 (ME) — a 23-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/Consumer-notification-letter-1061.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 30, 2024
Raw hash: 1d578693aa55e707fefc57803d0197bedf52a744b3806e1b5c11b09e98b6d699

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityHematologics

Victim entityHematologics

Incidentdiscovered Nov 30, 2023

Stated responseEngaged third party professionals to assist in the investigation and remediation of the vulnerability

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov