Windows defender is not inbuilt in the Windows phone. I would suggest you to connect the phone to the system (which has updated Windows Defender)run a full scan in the phone and check for viruses and malware. Refer the link for details on How to use Windows Defender.

Hi, Do I need install an anti-virus and firewall apps on my new HTC 8S Windows Phone 8? Can you catch a viruses by surfing the web or installing apps. If yes, can you please recommend an app. Thank You 1) On the Start menu, Click ‘Windows Firewall with Advanced Security’. 2) Click the ‘Advanced settings’ option in the sidebar. 3) On the left side, click the option ‘Inbound Rules’. 4) On the right, under the section ‘Actions’, click on the option ‘New Rule’. Windows Firewall shows you the New Inbound Rule Wizard. The ultimate PC security software, combining a firewall, anti-virus, privacy protection, and more! Sep 27, 2016 · Allow Program through Firewall. The main reason most people will ever mess with the firewall is to allow a program to work through the firewall. Normally, this is automatically done by the program itself, but in some cases, you have to do it manually. You can do this by clicking on Allow an app or feature through Windows Firewall.

Apr 30, 2019 · “Windows Firewall with Advanced Security” is now open. This snap-in looks big and scary at first, and for good reason. This is where Windows Firewall stores all its rules at a very detailed level. What we have seen in the previous lesson is only a limited but user-friendly view of the rules that govern its functioning.

Windows Firewall Control extends the functionality of the Windows Defender Firewall by acting on top of it. Windows Firewall Control is a much more usable, user-friendly, and feature-rich version of the Windows Defender Firewall. It lets the user have more control over the … Adjust Windows 10 Firewall Rules & Settings

How to open ports in Windows Firewall | Windows Central

Windows 10 Mobile hotspot not working because of firewall Mar 01, 2019 anti-virus and firewall apps - Windows Central Forums