MalwareFinancial ServicesFinanceRansomwareData EncryptedCustomer Data InvolvedPIIIdentity (basic)LowContained

MISSION BANK

bd_1ec0ec35daba041a · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 2, 2024

Filed

Jan 22, 2025

To disclose

7 weeks

Affected

Not disclosed

Linked

5 records

Confidence

67%

Full breach record for MISSION BANK →2 incidents on file

Mission Bancorp reported a ransomware attack discovered on December 2, 2024. The incident involved encryption of some systems and a ransom note. Core banking systems and account data were not affected. The bank engaged forensic investigators, contained the incident, and offered credit monitoring services to affected individuals, including New Hampshire residents.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 7 weeks / 51 days

Dec 2, 2024

Discovered

Jan 22, 2025

Filed

vs. sector median

1 wks faster

This filing is one of 5 records about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteransomhubbd_d54f57ee18d6f5302025-01-23 · +1dCandidate

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_2e038e092086f93a2025-01-22Verified by operator
Montana State AGbd_36afb6655f680ae22025-01-07 · +15dCandidate
California State AGbd_7c5f8b4a3c098d282025-01-07 · +15dVerified

Name: Mission Bancorp
norm: mission bancorp

Name: MISSION BANK
norm: mission bank
Domain: missionbank.bank
Industry: Financial Servicesllm

Discovered: Dec 2, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Office of the Attorney General Consumer Protection Bureau

During the incident: Took steps to secure its network and contain the incident
Engaged a specialized third-party forensic incident response firm to assist with securing and restoring the network environment and determining the extent of the compromise
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance
Changes made: Taken steps to prevent a similar incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(51 days from discovery to filing)
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 ↗

Montana State AGJan 7 · first

California State AGJan 7 · first

Maine State AG+15d

New Hampshire State AG+15d · this page

Pattern: first filing Jan 7 (MT), last Jan 22 (NH) — a 15-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/mission-bancorp-20250122.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 22, 2025
Raw hash: 3b94c910609782353cd95ead0662581846e1c50be2e52d38c93240709da854e6

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityMission Bancorp

Victim entityMISSION BANK

Incidentdiscovered Dec 2, 2024

Stated responseTook steps to secure its network and contain the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov