DisclosureLens
HackingFinancial ServicesFinanceStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

KeyBank National Association

bd_b28da354340c3c8c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 4, 2022

Filed

Aug 26, 2022

To disclose

22 days

Affected

Not disclosed

Linked

7 filings

Confidence

65%
Full breach record for KeyBank National Association13 incidents on file

KeyBank notified customers of 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 acquired personal information of KeyBank mortgage clients. KeyBank was contacted by OSC on August 4, 2022. Affected data included names, addresses, phone numbers, mortgage account numbers, property information, home insurance details, and the first eight digits of Social Security numbers. OSC engaged third-party cybersecurity experts, deployed enhanced security monitoring, and notified the FBI. KeyBank offered two years of complimentary Equifax Complete Premier identity protection to affected individuals.

Incident timeline

undetected · 30 days
discovery → filing · 22 days

Jul 5, 2022

Begins

Aug 4, 2022

Discovered

Aug 26, 2022

Filed

vs. sector median

5 wks faster

This filing is one of 7 about the same incident.View merged incident
Part of Overby-Seawell Company supply-chain incident (2022) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 56d gap

Filing propagation · 7 filings · 5 states

View merged incident ↗
Massachusetts State AGAug 26 · first
Washington State AGAug 26 · first
Montana State AGAug 26 · first
California State AGAug 26 · first · this page

Pattern: first filing Aug 26 (MA), last Oct 21 (CA) — a 56-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.