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Mountain West Bank

Mountain West Bank Vendor Cyber Rating & Cyber Score

mountainwestbank.com
in
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ISO 27001
SOC 2 Type 1
SOC 2 Type 2
PCI DSS
HIPAA
GDPR

In 1993 the doors of what would become Mountain West Bank officially opened at the corner of Government Way and Ironwood Drive in Coeur d’Alene, Idaho. Today, the bank that originally operated from inside a trailer now serves several communities throughout the state of Idaho. Since its founding days, Mountain West Bank has been dedicated to the mission of providing customers with Legendary Customer Service. We offer customers a full complement of consumer and business products including checking and savings accounts, Certificates of Deposit, IRAs and Money Market Accounts. Our lending services include residential, construction, commercial and consumer products. We also offer credit and debit cards, online banking products, the uniquely


MWB A.I CyberSecurity Scoring

Incident Details
MWB
Company Information
Website:https://www.mountainwestbank.com
Employees number:513
Number of followers:2,991
NAICS:52
Industry Type:Financial Services
Homepage:mountainwestbank.com
Cyber Premium EstimationGet Supply Chain
MWB Risk Score (AI oriented)
Between 650 and 699
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MWBFinancial Services
Updated:
04/04/2026
692/1000
Weak
B
AaaAaABaaBaBCaaCaC
Powered by our proprietary A.I cyber incident model
✖ Insurance prefers TPRM score to calculate premium
MWB Global Score (TPRM)
xxxx
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MWBFinancial Services
•••
Score locked
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Vulnerabilities
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Findings

MWB
MWBWeak
Current Score
692B (WEAK)
01000
1 incidents
-69 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
695Before Incident
MAY 2026
694Before Incident
APRIL 2026
693Before Incident
MARCH 2026
692Before Incident
FEBRUARY 2026
691Before Incident
JANUARY 2026
690Before Incident
DECEMBER 2025
757Before Incident
Breach
18 Dec 2025 • MWB
Mountain West: Mountain West Commercial Data Breach Investigation

Mountain West Data Breach

688After Incident
CRITICAL-69
MOU1766434320
Mountain West Data Breach Exposes Sensitive Personal Information Mountain West recently disclosed a potential data breach to the Massachusetts Attorney General’s office, revealing that sensitive personal identifiable information (PII) may have been compromised. While the company has not provided details on the nature of the security incident, the exposed data includes names and Social Security numbers, though the exact information affected varies by individual. On December 18, 2025, Mountain West began notifying impacted individuals via mail, outlining the specific types of compromised data. As part of its response, the company is offering affected parties 24 months of complimentary credit monitoring services. The breach notification filed with Massachusetts authorities is available for review.
INCIDENT DETAILS -
TYPE
Data Breach
IMPACT
Data Compromised: Sensitive personal identifiable informationIdentity Theft Risk: High
DATA BREACH
NameSocial Security numberSensitivity Of Data: HighPersonally Identifiable Information: Yes
REFERENCES
Blog URLSource URL
NOVEMBER 2025
757Before Incident
OCTOBER 2025
757Before Incident
SEPTEMBER 2025
757Before Incident
AUGUST 2025
757Before Incident
JULY 2025
757Before Incident

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