TRUSTEES OF DARTMOUTH COLLEGE

Dartmouth College based in Hanover, New Hampshire, a educational institution entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-10-30 and reported on 2025-11-25. 1,956 Texas residents were affected. 98,990 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Financial Information (e.g. account number, credit or debit card number). Consumers were notified via U.S. Mail.

Dartmouth College's Oracle eBusiness Suite (EBS) software was exploited via a zero-day vulnerability between August 9–12, 2025. An unauthorized external actor exfiltrated files containing names, Social Security numbers, and/or financial account information of 1,494 Maine residents. The breach was discovered on October 30, 2025. Dartmouth patched the vulnerability, notified law enforcement, and offered one-year Experian IdentityWorks credit monitoring to affected individuals.

Dartmouth College reported a data breach to the Oregon Attorney General. The breach was reported on 2025-11-24. The breach occurred during 8/9/2025 - 8/12/2025. The breach was discovered on 8/12/2025. 98,990 individuals were affected. Notice was sent on 11/24/2025.

Dartmouth College reported a data breach to the Indiana Attorney General. The breach occurred on 2025-08-09 and was reported on 2025-11-24. 413 Indiana residents were affected.

Dartmouth College reported a data breach to the Montana Attorney General. The breach was reported on 2025-11-24. The breach occurred from 08/09/2025 to 08/12/2025. 193 Montana residents were affected.

Dartmouth College, a education sector entity reported a other incident to the Washington Attorney General. The organization became aware of the incident on 2025-08-12 and filed notice on 2025-11-24. 1,496 Washington residents were affected. 104 days elapsed between awareness and notification. 3 days to identify the breach. 0 days to contain the breach.

Dartmouth College notified the California AG of a data breach involving its Oracle eBusiness Suite software. An unauthorized actor exploited a zero-day vulnerability to exfiltrate files between August 9 and August 12, 2025. The stolen data included names, Social Security numbers, and financial account information. Dartmouth secured the environment, notified law enforcement, applied patches, and offered one year of identity monitoring to affected individuals.

Dartmouth College notified the New Hampshire Attorney General of a security incident involving its Oracle eBusiness Suite (EBS) software. An unauthorized actor exploited a zero-day vulnerability in the software to exfiltrate files containing names, Social Security numbers, and financial account information of 31,742 New Hampshire residents between August 9 and 12, 2025. Dartmouth discovered the incident on October 30, 2025, and began notifying affected individuals on November 24, 2025. Remediation included applying available patches and offering one year of credit monitoring.

Dartmouth College notified consumers of a data breach involving its Oracle eBusiness Suite (EBS) software. An unauthorized actor exploited a zero-day vulnerability to access files containing names and Social Security Numbers between August 9-12, 2025. The incident was discovered on October 30, 2025. Dartmouth notified law enforcement, secured the environment, and offered one year of Experian IdentityWorks. Patches were applied.

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