The tax-collection agency perceived as far back as September that the system could be a target but decided to keep it online.

IRS Commissioner John Koskinen wants Americans to know as they cram to file their tax forms before the mid-April deadline, the security of their information is top-of-mind.

The IRS is testing multifactor authentication for taxpayers who use its online systems to cut down on electronic tax fraud.  The tax agency hopes the improved security could be ready to go…

The Internal Revenue Service’s IT systems experienced a hardware failure Wednesday, causing the agency to shut down several key taxpayer and tax practitioner tools.