Citibank Exposes 600,000 Customers’ Social Security Numbers

Ralph Remakel received a Citibank letter postmarked Feb. 16 that notified him of a recent Citibank error. It turns out he wasn’t the only one.

In late January, Citibank mailed year-end tax statements to 600,000 Citi customers via the U.S. Postal Service that included the customers’ Social Security numbers … on the outside of the envelope.

Citi called the mistake a “processing error.”…