Hackers stole more data from Equifax in a breach last year than initially thought.
In September, the Atlanta, GA-based credit giant revealed a huge data breach, including names, social security numbers, birth dates, home addresses, and in some cases driver’s license numbers. It was later confirmed over 145 million were affected, primarily Americans, but also some Canadians and British citizens.
The hack became the largest single data breach reported in 2017.
But documents seen by members of the Senate Banking Committee suggest the types of data stolen were wider than the company first reported.
A letter published Friday by committee member Sen. Elizabeth Warren (D-MA) to acting Equifax chief executive Paulino do Rego Barros summarized the senator’s five-month investigation into the Equifax breach, which said exposure of tax identification numbers (TINs), email addresses, and additional license information — such as issue dates and by which state — was not originally disclosed.
The news of the documents was first reported by The Wall Street Journal.
Tax identification numbers are usually issued by the Internal Revenue Service to workers who aren’t eligible for a Social Security number, like foreign nationals, in order to report income and file tax returns.
Tax identification numbers were likely exposed because they were found in the same portion of the database where other tax numbers, like Social Security numbers, were stored.
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