Microsoft Security Essentials has previously flunked antivirus tests, but that's not why Microsoft is telling users to install third-party antivirus. Instead, the company said it's now focusing on identifying emerging threats, and passing that data to third-party antivirus firms to help them do better. "We’re providing all of that data and information to our partners so they can do at least as well as we are," said Holly Stewart, senior program manager of the Microsoft Malware Protection Center. "The natural progression is that we will always be on the bottom of these tests. And honestly, if we are doing our job correctly, that’s what will happen."