Forum Discussion
Exploit Guard - Network Protection
I'm also seeing this issue; the test pages are being blocked only by smartscreen but exploit guard network protection doesn't function at all, ie there is no blocking and no auditing despite the policy being successfully deployed. I've upvoted the issue in the feedback hub and encourage others to do the same.
The last 2 releases of the Defender platform on 1709 have been blocking but not notifying, you can test it in PowerShell with the following;
###Begin
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::TLS12
$url = 'https://smartscreentestratings2.net/'
$webClient = New-Object System.Net.WebClient
# $webClient.Proxy = [System.Net.GlobalProxySelection]::GetEmptyWebProxy() #Use to bypass the proxy if needed
$webClient.DownloadString($url)
###End
You will get an SSL/TLS negotiation error when blocked, add PowerShell(_ise).exe to the Defender exclusion and restart PowerShell, you'll then get a web response.
