Clustered 6 filings across 4 jurisdictions · filing window Aug 26, 2022 → Oct 21, 2022. View entity profile → Other incidents for this victim →
incident inc_1e0db90a5ddb4929 · merge_method deterministic · 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
per-filing reported counts
State AGs report only their own residents; bars show per-filing counts.
Earliest sighting first · deep chronology in Litigation Timeline
Jul 5, 2022
When the intrusion reportedly occurred, per the linked filings
Aug 4, 2022
Reported by WASHINGTON AG, CALIFORNIA AG, OREGON AG filings
Sep 23, 2022
Reported by OREGON AG filing
KeyBank reported a data breach to the Oregon Attorney General. The breach was reported on 2022-10-21. The breach occurred during 5/26/2022 - 7/12/2022. The breach was discovered on 9/23/2022. 510,553 individuals were affected. Notice was sent on 10/21/2022.
Affected (this filing): 510,553
KeyBank disclosed a data breach involving its vendor, Overby-Seawell Company (OSC). An unauthorized external party gained remote access to OSC's network on July 5, 2022, and exfiltrated mortgage client data. Affected data includes names, mortgage property addresses, account numbers, and home insurance policy numbers. No Social Security Numbers were compromised. KeyBank notified affected clients and offered two years of Equifax credit monitoring. The FBI was notified.
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.
KeyBank, a finance sector entity reported a unauthorized access incident to the Washington Attorney General. The organization became aware of the incident on 2022-08-04 and filed notice on 2022-08-26. 54,295 Washington residents were affected. 22 days elapsed between awareness and notification. 70 days to identify the breach. 0 days to contain the breach.
Affected (this filing): 54,295
KeyBank disclosed a data breach involving its third-party vendor, Overby-Seawell Company (OSC). On July 5, 2022, an unauthorized external party gained remote access to OSC's network and acquired KeyBank client mortgage information, including names, addresses, account numbers, phone numbers, and the first eight digits of Social Security numbers. KeyBank was notified on August 4, 2022. The incident did not affect KeyBank's own systems. OSC engaged third-party experts, notified the FBI, and provided affected clients with two years of Equifax credit monitoring.
KeyBank reported a data breach to the Montana Attorney General. The breach was reported on 2022-08-26. The breach occurred from 5/26/2022 to 8/4/2022. 246 Montana residents were affected.
Affected (this filing): 246
KeyBank reported a data breach to the Oregon Attorney General. The breach was reported on 2022-08-30. The breach occurred during 5/26/2022 - 7/12/2022. The breach was discovered on 8/4/2022. 494,130 individuals were affected. Notice was sent on 8/26/2022.
Affected (this filing): 494,130