HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Financial accountMediumContained

Citizens Bank of Las Cruces (the “Bank”)

bd_a48af5e1486fe4b9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 16, 2021

Filed

Sep 20, 2021

To disclose

5 weeks

Affected · nationwide

8,8293 in this filing

Confidence

65%

Full breach record for Citizens Bank of Las Cruces (the “Bank”) →

Citizens Bank of Las Cruces reported an external system breach (hacking) occurring on April 7, 2021, discovered on August 16, 2021. The incident affected 8,829 individuals total, including 3 Maine residents. Acquired data included names and financial account numbers (or credit/debit card numbers with associated security codes/PINs). The bank provided written notification to affected consumers on September 20, 2021.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 16, 2021 → Filed with AG Sep 20, 202135d ⏱ ME AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 131 days

discovery → filing · 5 weeks / 35 days

Apr 7, 2021

Begins

Aug 16, 2021

Discovered

Sep 20, 2021

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed8,829 affectedView incident

Name: Citizens Bank of Las Cruces (the “Bank”)
norm: citizens bank of las cruces the bank

Name: Citizens Bank of Las Cruces (the “Bank”)
norm: citizens bank of las cruces the bank
Industry: Financial Servicesllm

Discovered: Aug 16, 2021
Breach occurred: Apr 7, 2021
Undetected for: 131 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 20, 2021
Affected individuals: 8,829state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected consumers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 16, 2021
→ Filed with AG: Sep 20, 2021
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 16, 2021 → Filed with AG: Sep 20, 2021	35d	30 days (soft)	ME AG >30d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/2dabc011-23f6-4e3a-8ff3-9b1a2cd58350.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 20, 2021
Raw hash: 0848db757f91f6bbb3e490e96c5891e428d1f4eff95654e0928b759eb3490514

Reporting entityCitizens Bank of Las Cruces (the “Bank”)

Victim entityCitizens Bank of Las Cruces (the “Bank”)

Incidentdiscovered Aug 16, 2021

Stated responseSent written notification to affected consumers

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov