MisuseFinancial ServicesFinancePrivilege AbuseEmployee Data InvolvedTargetedIdentity (basic)Government IDFinancial accountCredentialsMediumContained

Citibank N.A.

bd_f12f8711a59b7dbc · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Feb 24, 2022

To disclose

—

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for Citibank N.A. →51 incidents on file

Citibank, N.A. notified Montana residents that an employee improperly accessed customer accounts between January 2020 and December 2021 to perform fraudulent transactions. Affected data included names, SSNs, account numbers, and CVVs. Citibank reversed transactions, closed accounts, issued new cards, and offered 12 months of credit monitoring.

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Incident timeline

Jan 1, 2020

Begins

Feb 24, 2022

Filed

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_523898bff59087162022-02-22 · +2dCandidate
Maine State AGbd_216287a90d030dea2022-03-02 · +6dVerified
New Hampshire State AGbd_d8ce164c1b539e0d2022-03-02 · +6dVerified

Name: Citibank N.A.
norm: citibank na
Domain: citi.com

Name: Citibank N.A.
norm: citibank na
Domain: citi.com
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Jan 1, 2020 – Dec 31, 2021
Materiality determined: —
Notification sent: May 23, 2022
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountCredentials
Data elements: Social Security number
Attack vector: Insider
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: InternalFinancial
Initial access: insider_action

During the incident: All fraudulent transactions resulting from this incident have been reversed
Closed your account and reissued you a card with a new account number
Initiated an investigation as soon as we learned of these issues to assess and remediate the incident and limit its effect on you
Arranged for you at your option to enroll in a credit monitoring subscription to Experian® IdentityWorks at no cost to you for up to twelve (12) months
Changes made: Continue to use ongoing measures to protect your account and personal information
Source: Quoted from the filing itself, not independently verified.

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 ↗

Massachusetts State AGFeb 22 · first

Montana State AG+2d · this page

Maine State AG+8d

New Hampshire State AG+8d

Pattern: first filing Feb 22 (MA), last Mar 2 (NH) — a 8-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/Consumer-Notification-Letter-240.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 24, 2022
Raw hash: cd4347ed3e5e80e2e9c086a3c0fa8a4fd9ec617aeed5ac2c73e5399ce11cbd32

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCitibank N.A.

Victim entityCitibank N.A.

IncidentInsider

Stated responseAll fraudulent transactions resulting from this incident have been reversed

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov