CMHC in the largest known privacy breach of any federal agency last year mistakenly emailed personal information on 45,000 homeowners to an unnamed bank. The Privacy Commissioner was never notified, according to newly-disclosed records.

“An email with an MS Excel attachment was sent to an external lender employee showing personal information and outstanding loan balances,” Canada Mortgage and Housing Corporation wrote in an Inquiry Of Ministry tabled in the Commons. “The file had been filtered for this lender and included records for other lenders that could be unfiltered.”