As Tax Day in the U.S. looms on the horizon, so too does the risk of falling victim to online scams. In 1986, the first year that e-filing was available, five people filed their returns electronically. Since then, the popularity of e-filing has increased so much that 92% of individual tax returns are now e-filed. As online tax filing and payment have become more popular, though, scams targeting unsuspecting taxpayers have as well.