Categories Articles What is Windows Defender? Here’s what you need to know about the antivirus program that’s now called Microsoft Defender Antivirus Post author By crystalg Post date February 11, 2021 Business Insider Business Insider Tags About, antivirus, Called, defender, Here's, Know, Microsoft, Need, Program, That's, Windows ← Dear Brit: ‘I’m Freaked Out by Failure!’ → Mail-in sperm samples? Researchers say at-home fertility testing just as reliable as in-person exams