A "sophisticated" organized crime syndicate used the IRS website to steal tax forms full of personal financial information on 104,000 taxpayers, the agency said Tuesday.

Until the IRS discovered this latest data leak, its website provided a service called "Get Transcript." It's an easy way to download several years of tax forms for tasks like applying for a mortgage, or college financial aid. Well that's where the forms that were hacked came from. The IRS said it will notify by mail all 200,000 people who might be affected by this.