The Vermont Department of Taxes today disclosed that taxpayers’ private information was exposed because of a security issue affecting its online filing site discovered on July 2, 2020.

The data breach affected all Vermonters who electronically filed Property Transfer Tax returns using the tax department’s site between February 2017 and July 2020.

“Verification credentials for electronically filed property transfer tax returns available in public municipal records could be used to access previously submitted tax return information,” the breach notification says.

“The credentials could have been used to access private information including the social security number of the buyer of