MisuseFinancial ServicesFinancePrivilege AbuseCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountFinancial credentialsMediumContained

Citibank N.A.

bd_d8ce164c1b539e0d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 2, 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. reported a security incident in New Hampshire involving one resident. A Citi employee improperly accessed the resident's account between January 2020 and December 2021 to perform fraudulent online transactions. Personal information compromised included name, address, SSN, phone, account/card number, CVV, username, expiration date, and balance/credit limit. Citi reversed fraudulent transactions, closed accounts, reissued cards, and offered 12 months of credit monitoring. Notices were delivered by mail on February 24, 2022.

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Incident timeline

Jan 1, 2020

Begins

Mar 2, 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

Maine State AGbd_216287a90d030dea2022-03-02Verified
Montana State AGbd_f12f8711a59b7dbc2022-02-24 · +6dVerified
Massachusetts State AGbd_523898bff59087162022-02-22 · +8dCandidate

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: Feb 24, 2022
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountFinancial credentials
Data elements: Social Security number
Attack vector: Insider
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: InternalFinancial
Initial access: insider_action

During the incident: Reversed all fraudulent transactions resulting from this incident
Closed the accounts and reissued cards with new account numbers
Initiated an investigation as soon as it learned of these issues to assess and remediate the incident and limit its effect on the residents
Offered 12 months credit monitoring
Changes made: Closed the accounts and reissued cards with new account numbers
Initiated an investigation as soon as it learned of these issues to assess and remediate the incident and limit its effect on the residents
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

Maine State AG+8d

New Hampshire State AG+8d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/citibank-na-20220302.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 2, 2022
Raw hash: ee74e8686e4d466c3525238280f8bc7c2fa1396d29dce3faeb1c0362f214df89

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityCitibank N.A.

Victim entityCitibank N.A.

IncidentInsider

Stated responseReversed all fraudulent transactions resulting from this incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov