HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumActive

Zions Bancorporation, N.A.

bd_7062c403eb77f838 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 1, 2019

Filed

Jul 23, 2019

To disclose

7 weeks

Affected

36state residents only

Linked

4 filings

Confidence

66%

Full breach record for Zions Bancorporation, N.A. →3 incidents on file

Zions Bancorporation, N.A. notified Montana customers of unauthorized network access discovered on June 1, 2019. Personal information including names, user IDs, emails, account numbers, and SSNs may have been accessed. The company engaged forensic consultants, notified law enforcement, and offered two years of identity theft protection.

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Incident timeline

discovery → filing · 7 weeks / 52 days

Jun 1, 2019

Begins

Jun 1, 2019

Discovered

Jul 23, 2019

Filed

vs. sector median

1 wks faster

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

California State AGbd_2fdb91d2beb2447b2019-07-23Candidate
Massachusetts State AGbd_dd02be4bfdf3bba72019-07-29 · +6dVerified
New Hampshire State AGbd_1942eab18075d3932019-07-30 · +7dVerified

Name: Zions Bancorporation, N.A.
norm: zions bancorporation na

Name: Zions Bancorporation, N.A.
norm: zions bancorporation na
Industry: Financial Servicesllm

Discovered: Jun 1, 2019
Breach occurred: Jun 1, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 36state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: notified federal law enforcementnotified banking regulators
Initial access: valid_credentials

During the incident: Launched an immediate effort in collaboration with a leading forensic expert consultant and other professionals to define the scope of the intrusion
Notified federal law enforcement as well as banking regulators
Took measures to enhance customer security
Implementing enhanced internal monitoring on accounts designed to protect them from illicit actions
Arranged for identity theft protection services to be provided at no cost
Changes made: Implementing enhanced internal monitoring on accounts
Investment in cyber security protection
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

California State AGJul 23 · first

Montana State AGJul 23 · first · this page

Massachusetts State AG+6d

New Hampshire State AG+7d

Pattern: first filing Jul 23 (CA), last Jul 30 (NH) — a 7-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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Breach-NotificationDetails-49.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 23, 2019
Raw hash: b9b9ad4a5450d9dea5ea62c1eba55955996ac9590813172f10c1d119679aafc1

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityZions Bancorporation, N.A.

Victim entityZions Bancorporation, N.A.

Incidentdiscovered Jun 1, 2019

Stated responseLaunched an immediate effort in collaboration with a leading forensic expert consultant and other professionals to define the scope of the intrusion

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov