UnknownFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

CITIZENS BANK

bd_8ed2211402a3a35e · schema v1 · pii pii-v2

Severity

Medium

Discovered

Sep 10, 2026

Filed

Oct 19, 2026

To disclose

6 weeks

Affected

Not disclosed

Linked

3 records

Confidence

68%

Full breach record for CITIZENS BANK →14 incidents on file

Citizens Bank notified customers of unauthorized access to personal information on September 10, 2026. Affected data includes names, Social Security Numbers, dates of birth, phone numbers, and email addresses. The bank states the issue has been fully remediated and no evidence of malicious use was found. Complimentary two-year credit monitoring via Equifax is offered.

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Incident timeline

discovery → filing · 6 weeks / 39 days

Sep 10, 2026

Begins

Sep 10, 2026

Discovered

Oct 19, 2026

Filed

vs. sector median

3 wks faster

This filing is one of 3 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteeverestbd_cb42421a472e479d2026-04-20 · +182dVerified

Regulatory filings (1) · sorted by filing gap

Texas State AGbd_e14f78105154ea312026-10-20 · +1dVerified

Name: CITIZENS BANK
norm: citizens bank
Domain: citizensbank.com

Name: CITIZENS BANK
norm: citizens bank
Domain: citizensbank.com
Industry: Financial Servicesllm

Discovered: Sep 10, 2026
Breach occurred: Sep 10, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unknown
Threat actor: External

During the incident: Offering a complimentary two-year membership in an identity theft credit monitoring service (Equifax Credit WatchTM Gold), provided by Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(39 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGOct 19 · first · this page

Texas State AG+1d

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://oag.ca.gov/ecrime/databreach/reports/sb24-631520
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 19, 2026
Raw hash: ac7e72aa791ea1ecb280e82a6c3585fb09678571eabeb40305ceb04620f589b7

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityCITIZENS BANK

Victim entityCITIZENS BANK

Incidentdiscovered Sep 10, 2026

Stated responseOffering a complimentary two-year membership in an identity theft credit monitoring service (Equifax Credit WatchTM Gold), provided by Equifax

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov