This story was originally produced by the Valley News . NHPR is republishing it in partnership with the Granite State News Collaborative .

More than 40,000 people in New Hampshire and Vermont may have been impacted by a data breach in a system used by Dartmouth College.

Last week, Dartmouth started mailing letters to the people whose personal information was included in data stolen over three days in early August.

During that time, an “unauthorized actor” was able to access Dartmouth College files and take data, including “one or more” files that had personal information such as names, Social Security numbers and financial account information, according to reports Dartmouth filed with the offices of the attorneys general of New Hampshire and Vermont last week.

The breach wa

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