The Vermont State Employees Credit Union says unencrypted computer tapes containing personal data and transaction records of about 85,000 members were inadvertently thrown into a landfill.
Credit union CEO Steven Post says there's no evidence any of the information has fallen into the wrong hands.
Post says it appears data tapes were buried in a landfill and cannot be retrieved.
The credit union is working with regulators and law enforcement.
Vermont Public Radio reports the credit union has offered its members a year's free service for credit monitoring and data protection.
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