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Investigation OpenNew Hampshire AG filing · April 27, 2026

Barclays Financing Mastercard Reports New Hampshire Data Breach

Barclays Financing Mastercard has officially reported a data security incident to New Hampshire authorities, confirming unauthorized access to its systems. Individuals who received a notification letter should understand that their personal information may have been compromised during this event, necessitating vigilance.

State
New Hampshire
Reported
April 27, 2026

Barclays Financing Mastercard has filed an official data security incident report with the New Hampshire Attorney General's office. This disclosure indicates that the financial institution experienced unauthorized access to its systems, potentially affecting personal data entrusted to the company.

According to the public filing, unauthorized access to Barclays Financing Mastercard's systems occurred. While the specific categories of information involved were not detailed in the available record, the company has indicated that personal information may have been compromised. Customers who receive a direct data breach notification letter from Barclays should refer to that communication for information relevant to their situation.

The report documenting this incident was submitted on April 27, 2026. At the time of reporting, the investigation into the full scope and nature of the incident was ongoing. The precise date when the unauthorized access first occurred has not been publicly disclosed.

Individuals who have received notification from Barclays Financing Mastercard regarding this incident should carefully review the provided details. It is generally recommended to remain alert for any unusual activity on accounts and to exercise caution with unsolicited communications. Considering a fraud alert or security freeze on credit reports can also be a proactive measure to help protect against potential misuse of exposed data.

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