If you file your own taxes and you do not use Multi-Factor Authentication (MFA,2FA) you might be putting yourself at much higher risk of exploitation. There are over 2 dozen reports of financial tax information thefts, as of February 14th. MFA or 2FA is a quick, easy, and free way to setup a much more secure account.
Links to setup 2FA authentication apps and how to set them up with a IRS account and popular tax software companies like Intuit (TurboTax) below.