AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

Wells Fargo Bank, N.A.

bd_22a30c94380a9a63 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 16, 2020

Filed

May 7, 2020

To disclose

21 days

Affected

1state residents only

Confidence

65%

Wells Fargo Bank, N.A. notified Montana AG of a data breach on April 16, 2020, where a customer's name and SSN were mistakenly posted to another customer's online banking account during stimulus payment processing. The bank fixed the issue, removed the data, and offered 2 years of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 21 days

Apr 16, 2020

Begins

Apr 16, 2020

Discovered

May 7, 2020

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Wells Fargo Bank, N.A.
norm: wells fargo bank

Name: Wells Fargo Bank, N.A.
norm: wells fargo bank
Industry: Financial Servicesllm

Discovered: Apr 16, 2020
Breach occurred: Apr 16, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 26, 2020
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Misconfiguration
MITRE ATT&CK: T1074 Data Staged

During the incident: Fixed the issue
Removed personal information from the online posting
Monitoring account for suspicious activity
Offering complimentary two-year subscription to Experian IdentityWorks
Changes made: Fixed the issue
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 days(21 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://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-169.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2020
Raw hash: 50a59186e2e9846d4a5b0158a4e3bbc9ebb390228a0de0d48c55070c2845fcb6

Reporting entityWells Fargo Bank, N.A.

Victim entityWells Fargo Bank, N.A.

Incidentdiscovered Apr 16, 2020

Stated responseFixed the issue

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov