HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryPIIPHIIdentity (basic)Health (basic)LowContained

Lincare Holdings Inc.

bd_a1db6594e58b1808 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 26, 2021

Filed

Nov 24, 2021

To disclose

8 weeks

Affected

Not disclosed

Confidence

64%

Full breach record for Lincare Holdings Inc. →11 incidents on file

Lincare Holdings Inc. identified unusual activity on its network on September 26, 2021. Investigation confirmed unauthorized access occurred between September 10 and September 29, 2021. The incident may have involved patient personal information, including PHI. Lincare secured the network, reset passwords, engaged forensic experts, and notified law enforcement. Credit monitoring is being offered to affected individuals.

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Incident timeline

undetected · 16 days

discovery → filing · 8 weeks / 59 days

Sep 10, 2021

Begins

Sep 26, 2021

Discovered

Nov 24, 2021

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

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: —
Affected individuals: Not disclosed
Data types: PIIPHIIdentity (basic)Health (basic)
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement

During the incident: Took immediate action to secure its network
Launched an investigation
Working with outside cybersecurity experts to determine the source of the activity and potential impact
Blocked unauthorized access
Notified law enforcement of the incident
Reset all user passwords to block any unauthorized access
Changes made: Implementing additional technological safeguards on our systems that contain personal information
Offering complimentary credit monitoring through Kroll for one year
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/sb24-547919
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 24, 2021
Raw hash: 0d8a55b31d7f4f9961f3c944dc2bf7496b76970c3534fcbc68958bcfdf1d0da9

Reporting entityLincare Holdings Inc.

Victim entityLincare Holdings Inc.

Incidentdiscovered Sep 26, 2021

Stated responseTook immediate action to secure its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov