MalwareFinancial ServicesFinanceRansomwareCapture Stored DataData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)LowContained

The Exchange Bank

bd_7b50f7fd9f60f7a3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 19, 2022

Filed

Apr 21, 2023

To disclose

22 weeks

Affected

2state residents only

Confidence

66%

Full breach record for The Exchange Bank →3 incidents on file

The Exchange Bank notified the NH Attorney General of a data security incident discovered on Nov 19, 2022. Malware infected servers/workstations, leading to data access/exfiltration by an unauthorized actor. Two NH residents' PII was impacted. Bank engaged forensic specialists, disconnected systems, and implemented security improvements including EDR and password changes. Kroll provided 1-year credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d22 weeks discovery → filing

Incident timeline

discovery → filing · 22 weeks / 153 days

Nov 19, 2022

Discovered

Feb 23, 2023

Scope determined

Apr 21, 2023

Filed

vs. sector median

+13 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

A leak claim by black_basta about this victim predates this filing by 123 days.View originating leak claim

Name: The Exchange Bank
norm: the exchange bank

Name: The Exchange Bank
norm: the exchange bank
Industry: Financial Servicesllm

Discovered: Nov 19, 2022
Materiality determined: Feb 23, 2023
Notification sent: Apr 21, 2023
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified NH Department of Justice Office of the Attorney General

During the incident: Began an investigation with the assistance of forensic computer specialists
Temporarily disconnected all systems from the Internet
Ensured all unauthorized access to its network was eradicated
Secured the services of Kroll Notification to provide credit monitoring and other identity theft monitoring services
Sending a notification letter to all New Hampshire residents whose personal information may have been impacted
Changes made: Initiating system-wide password changes
Installing Endpoint Detection & Response Software
Moving its email environment to the cloud
Using encryption when sending emails
Improving its data backup protocol
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(153 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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://mm.nh.gov/files/uploads/doj/remote-docs/exchange-bank-20230421.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 21, 2023
Raw hash: 5c747e47ec0a942b9775f6c90a9404015c025d6866b12fd154703574a66e7340

Reporting entityThe Exchange Bank

Victim entityThe Exchange Bank

Incidentdiscovered Nov 19, 2022

Stated responseBegan an investigation with the assistance of forensic computer specialists

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov