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Investigation OpenNew Hampshire AG filing · March 9, 2026

De Gruyter Brill Notifies NH AG of Unauthorized System Access

Academic publisher De Gruyter Brill reported unauthorized system access to the New Hampshire Attorney General on March 9, 2026. This incident suggests that personal information maintained by the company may have been compromised. Individuals who received a notification letter should review the steps to protect their data.

State
New Hampshire
Reported
March 9, 2026

De Gruyter Brill, Inc., an academic and scholarly publishing company, filed a data security incident report with the New Hampshire Attorney General on March 9, 2026. The company confirmed that its systems experienced unauthorized access. This report serves as public documentation of the event, affecting individuals whose personal information is managed by the publisher.

The exact date of this unauthorized access remains unknown, as it was not specified in the public filing. De Gruyter Brill maintains extensive databases containing personal information, including names, contact details, institutional affiliations, and payment information for researchers, librarians, and subscribers. While the specific categories of information involved in this incident were not detailed in the public filing, the company has indicated that personal information was potentially compromised.

The report to the New Hampshire Attorney General noted that the incident is currently under investigation. De Gruyter Brill has stated that if you received a formal data breach notification letter, it signifies that your personal information may have been affected. These letters are typically sent to individuals whose data was identified as potentially exposed during the security event.

To safeguard your personal information, it is advisable to remain vigilant. Closely monitor any statements or notifications from De Gruyter Brill, Inc., and review any communication you receive from them. Be wary of unsolicited emails, texts, or calls that request personal details, as these could be phishing attempts attempting to exploit the situation.

Consider placing a fraud alert or security freeze on your credit reports with the three major credit bureaus (Experian, Equifax, and TransUnion) to prevent unauthorized accounts from being opened in your name. Additionally, regularly review your account statements for any unusual or suspicious activity.

Updating passwords for your online accounts and enabling multi-factor authentication where available adds an extra layer of security. This proactive approach helps protect against further misuse of any exposed information that may have been involved in this incident.

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