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Did Mutual One Bank June have a data breach?

Answer

Yes. Mutual One Bank June reported a data breach to the Massachusetts Attorney General on June 25, 2026.

What the filing says

Reported to
Massachusetts Attorney General
Filing date
June 25, 2026
Breach date
Not stated in the filing
People affected
Not stated in the filing

In plain terms

Mutual One Bank June reported a data security incident to the Massachusetts Attorney General's office on June 25, 2026. This filing indicates that personal information managed by the bank may have been exposed. Affected individuals should review official notifications from Mutual One Bank June.

Mutual One Bank June officially filed a data breach notification with the Massachusetts Attorney General's office on June 25, 2026. This report confirms that the financial institution experienced a security incident affecting its data systems.

The specific nature of the breach, including how it occurred and the exact types of personal information involved, was not detailed in the public filing. The report generally indicates that unauthorized access to some of the information held by the bank may have taken place.

Since the specifics of the compromised data are not publicly available, individuals who receive direct communication from Mutual One Bank June should carefully read their notification letter. This official letter will contain the most accurate information regarding the incident and its potential impact on their personal information.

It is always prudent to remain cautious regarding unsolicited communications, especially those requesting personal details. Monitoring financial accounts for any unusual activity and regularly reviewing credit reports can help detect and prevent potential misuse of exposed information.

This filing serves as a public record that Mutual One Bank June has acknowledged a data security event. Further information directly from the bank to affected customers will provide specific guidance and details about the incident.

Commonly recommended next steps

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Look up another company

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DataBreachSearch.com reports what was filed with state regulators. It is not legal advice, is not a law firm, and is not affiliated with any government agency or with Mutual One Bank June.