Cyber Incident Victim: Monticello Banking Company
Date:
Jun 2025
Location:
United States of America
Summary
Monticello Banking Company reported a cyberattack that disrupted some online services while assuring customers that their accounts remain protected and funds are accessible through check and teller windows. Debit cards continue to function with daily purchase limits set to the lower of $500 or the available balance, and all transactions made after the incident are being recorded for later display on the bank’s online and mobile platforms. The institution is working to restore full functionality and has made phone and in‑person support available to address concerns, noting that any fees incurred as a result of the response can be refunded upon request.
| CIA Posture | Motives | Tactics, Techniques & Procedures |
|---|---|---|
| Available to members | 1 motive | 1 technique |
| Threat Actors | Type | Location |
|---|---|---|
| 0 actors | Available to members | Available to members |
Description
On June 27, 2025, Monticello Banking Company announced that it had been targeted by a cyberattack. The bank stated that customer accounts remained protected despite the incident. It assured customers that funds were still accessible through check withdrawals and at the teller line.
The notice indicated that debit cards continued to be active, with daily purchase limits set to the lower of $500 or the customer's balance as of June 27, 2025. It explained that all transactions occurring after June 27 were being accounted for and would soon be viewable on MBC Online and MBC Mobile. The bank emphasized that these measures were intended to maintain service continuity while the underlying issues were addressed.
Monticello Banking Company said it was working quickly to resolve the issues stemming from the cyberattack. It provided contact options, noting that customers could reach the bank by phone or visit a local office for assistance. The bank also offered to refund any ATM or overdraft fees that customers incurred as a direct result of the bank's response to the incident.
The bank concluded its statement by thanking customers for their patience and reiterating its commitment to restoring normal operations as soon as possible.