The IRS announced this week that a data breach in its Get Transcript application was three times worse than initially reported. The breach exposed the full tax account records of 330,000 taxpayers, far more than the 100,000 first believed to have been affected. The IRS has put into place special PINs to further authenticate at-risk taxpayers as they file their returns next year. Security experts warn of even wider spread consequences given the depth of information afforded by an IRS transcript. The agency has speculated that the motivation behind the attacks was likely driven by plans to file fraudulent tax returns during the 2016 filing season.”]
Source: https://www.darkreading.com/attacks-breaches/irs-get-transcript-breach-triples-in-scope