HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)MediumContained

Lincare Holdings Inc.

bd_54f6545e86d1e397 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2021

Filed

Feb 9, 2022

To disclose

19 weeks

Affected

6,657state residents only

Linked

10 filings

Confidence

69%

Full breach record for Lincare Holdings Inc. →10 incidents on file

Lincare Holdings Inc. disclosed a security incident in Montana where unauthorized access to its network occurred between September 10 and 29, 2021. The breach was discovered on September 26, 2021, and notification letters were sent on December 15, 2021. Personal information, including names and data elements, was potentially exposed. Lincare engaged outside cybersecurity experts, notified law enforcement, reset passwords, and offered one year of complimentary credit monitoring via Kroll.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 16 days

discovery → filing · 19 weeks / 136 days

Sep 10, 2021

Begins

Sep 26, 2021

Discovered

Feb 9, 2022

Filed

vs. sector median

+10 wks slower

This filing is one of 10 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Massachusetts State AGbd_673a7dd67c1f19fe2022-02-15 · +6dVerified
New Hampshire State AGbd_1079e435ec4eaf7e2022-02-23 · +14dVerified by operator
Washington State AGbd_c6e8a20ea78d5a7b2022-03-25 · +44dVerified by operator
Oregon State AGbd_36323b1248fdb6862022-04-11 · +61dVerified by operator

Show 5 more filings ↓up to 334d gap

Oregon State AGbd_133c1a54ff8a079f2022-06-06 · +117dVerified by operator
California State AGbd_5b9e74ab50bbbb512022-06-06 · +117dVerified by operator
New Hampshire State AGbd_4e8a25c23ca669ac2022-06-13 · +124dVerified by operator
South Carolina State AGbd_64bf8274edfe01532022-07-18 · +159dVerified by operator
New Hampshire State AGbd_edf0dc8ceab245482023-01-09 · +334dVerified by operator

Name: Lincare Holdings Inc.
norm: lincare holdings
Domain: lincare.com

Name: Lincare Holdings Inc.
norm: lincare holdings
Domain: lincare.com
Industry: Healthcarellm

Discovered: Sep 26, 2021
Breach occurred: Sep 10, 2021 – Sep 29, 2021
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 15, 2021
Affected individuals: 6,657state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: notified law enforcement of the incident
Initial access: exploit_public_facing

During the incident: Launched an investigation, including working with outside cybersecurity experts
Notified law enforcement of the incident
Promptly reset all user passwords
Offering you complimentary credit monitoring through Kroll
Changes made: Implementing additional technological safeguards on our systems that contain personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(136 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 7 states

View merged incident ↗

Montana State AGFeb 9 · first · this page

Massachusetts State AG+6d

New Hampshire State AG+14d

Washington State AG+44d

Oregon State AG+61d

Oregon State AG+117d

California State AG+117d

New Hampshire State AG+124d

South Carolina State AG+159d

New Hampshire State AG+334d

Pattern: first filing Feb 9 (MT), last Jan 9 (NH) — a 334-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-34.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 9, 2022
Raw hash: 02949b766293c478cadf876ca2e68c8042a2b6f94d6c7dfee94f63a6b0e8cda8

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityLincare Holdings Inc.

Victim entityLincare Holdings Inc.

Incidentdiscovered Sep 26, 2021

Stated responseLaunched an investigation, including working with outside cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov