Hackers are like a burglar constantly checking all your doors and windows looking for a way to sneak in. Firewalla can help you to secure and manage your personal network, discover vulnerable IoT devices. Firewalla has the ability to discover devices that are open and can be infected (or already) by the Mirai virus. Security Scanning 1. Inside scan, find all the devices that may be infected with Mirai virus or can be infected with it. 2. Outside scan, search for ports that are open from the Internet side. This app will also control the Firewalla Box.