Lincare Holdings Inc reported a data breach to the Montana Attorney General. The breach was reported on 2022-02-09. The breach occurred from 9/10/2021 to 9/29/2021. 6,657 Montana residents were affected.
Affected (this filing): 6,657
Clustered 5 filings across 4 jurisdictions · filing window Feb 9, 2022 → Jun 6, 2022. View entity profile → Other incidents for this victim →
incident inc_459975c4d48c46fe · merge_method human · confidence 100%
Discovered → first regulatory filing
Range of discovered_at dates across filings
CA MT OR WA
Time between earliest and latest filing
Not recorded for this incident
Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.
all State AG
Earliest sighting first · deep chronology in Litigation Timeline
Sep 10, 2021
When the intrusion reportedly occurred, per the linked filings
Sep 26, 2021
Reported by WASHINGTON AG, OREGON AG, CALIFORNIA AG filings
Lincare Holdings Inc reported a data breach to the Montana Attorney General. The breach was reported on 2022-02-09. The breach occurred from 9/10/2021 to 9/29/2021. 6,657 Montana residents were affected.
Affected (this filing): 6,657
Lincare Holdings, Inc., a health sector entity reported a unauthorized access incident to the Washington Attorney General. The organization became aware of the incident on 2021-09-26 and filed notice on 2022-03-25. 37,050 Washington residents were affected. 180 days elapsed between awareness and notification. 16 days to identify the breach. 3 days to contain the breach.
Affected (this filing): 37,050
Lincare Holdings Inc. reported a data breach to the Oregon Attorney General. The breach was reported on 2022-04-11. The breach occurred during 9/10/2021 - 9/29/2021. The breach was discovered on 9/26/2021.
Lincare Holdings Inc. reported a data breach to the Oregon Attorney General. The breach was reported on 2022-06-06. The breach occurred during 9/10/2021 - 9/29/2021. The breach was discovered on 9/26/2021. Notice was sent on 2/9/20226/3/2022.
Lincare Holdings Inc. reported a security incident to the California Attorney General's Office. Unauthorized access occurred between September 10 and September 29, 2021. The breach involved the disclosure of personal information, including names and government identifiers. Lincare engaged outside cybersecurity experts, notified law enforcement, reset passwords, and offered one year of complimentary credit monitoring through Kroll. The incident status is contained.
About this clustering
DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. Filing summaries shown in the timeline are AI-generated extracts — verify each against its linked source.