IRS data breach compromised 100K US taxpayers

The US Internal Revenue Service (IRS) has confirmed a data breach that might have compromised the personal data of over 100 thousand people.

IRS Commissioner John Koskinen told the Senate Finance Committee on Thursday that hackers had been able to file millions of dollars’ worth of fraudulent tax returns through exploiting a bug within one of its web-based data tools.

Apparently, the identity thieves were able to achieve their goal by harnessing a security flaw within the agency’s “data retrieval tool,” which imports financial records between the IRS and the Department of Education’s website to make the process less time consuming.

According to the official, the IRS had begun contacting the 100,000 victims who had their personally identifiable data stolen. The full scope of the data theft remained a mystery.

“Fortunately we caught this at the front end,” Koskinen told the lawmakers, stressing that protecting taxpayers and their identity…

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