An anonymous reader writes: For the second time, the IRS has revised the estimated damage of a criminal syndicate's massive theft of American taxpayer data. In May 2015, the government agency said criminals used a tool on the IRS website to steal the tax forms of 104,000 people. Then in August, it revised that number up to 330,000. On Friday, the tax-collection agency revealed that number is now closer to 720,000. This is a result of a "Get Transcript" tool which was available on the IRS website up until the spring of last year. It was used to help taxpayers easily download years worth of tax forms in the event that they lost their old tax documents. Unfortunately, an unidentified cybermafia was able to dupe the "Get Transcript" tool and download millions of tax documents related to the 720,000 people whose tax forms had been stolen.