Sources: IRS believes massive data theft originated in Russia

Washington (CNN) The IRS believes that a major cyber breach that allowed criminals to steal the tax returns of more than 100,000 people originated in Russia, two sources briefed on the data theft tell CNN.

On Tuesday, the Internal Revenue Service announced that organized crime syndicates used personal data obtained elsewhere to access tax information, which they then used to file $50 million in fraudulent tax refunds.

An IRS spokeswoman said the agency does not discuss ongoing investigations.

Continue reading