The IRS says that aside from today's increase of the total potentially accessed accounts, another 295,000 taxpayer transcripts were targeted, but the attempts to nab that info were unsuccessful. It also reiterated that the Get Transcript tool that was the target of the breach has been offline since last may when the cyber attack was discovered. Notices to those who are included in this new group will go out next week and those affected will receive a year of Equifax identity theft protection free of charge.

"We are moving quickly to help these taxpayers," said IRS Commissioner John Koskinen.

Earlier this month, identity thieves nabbed 100,000 e-file PINs. With that information, fake returns can be filed in an attempt to cash in on bogus refunds. With tax season in full swing, the IRS already has a lot on its plate. It looks like keeping this year's taxpayer info locked down just got bumped to tops on the to-do list.