Safe Links, Microsoft Teams Rooms and Preset Security Policies

Or “How to customize Microsoft 365 Preset Security Policies“! The Preset Security Policies in Microsoft 365 allow you to assign to users, groups or domains the recommend anti-spam, anti-spoofing and anti-malware settings (amongst others). In the Microsoft 365 Security Portal (https://security.microsoft.com) where you set this there appears to be no way to customize these policies… Continue reading Safe Links, Microsoft Teams Rooms and Preset Security Policies

Allowing “Phish” Training Emails in Exchange Online

With the introduction of “Secure by Default” in Exchange Online, where you used to add IPs and other settings such as allow-lists to allow your phish training emails to get through to your users this will no longer work, and shortly it will no longer work to bypass the Exchange Online filters using mail flow… Continue reading Allowing “Phish” Training Emails in Exchange Online

Unable To Update Defender Preferences

I was trying to add Microsoft Defender exceptions via PowerShell to a clients server (Windows Server 2016 if that matters) the other day and it was always failing – the error was: This was returning “Failed to modify preferences” on the Add-MpPreference cmdlet and the error code 0x80070073 To fix I needed to uninstall Windows… Continue reading Unable To Update Defender Preferences

Exchange Online Warning On Receipt Of New Email Sender

First Contact Safety Tip

Released recently to no fanfare at all, Microsoft now has a SafetyTip that appears if you receive email from a first time recipient. Most often phish emails will come from an address you have never received email from before, and sometimes this email will try to impersonate people you communicate with or are internal to… Continue reading Exchange Online Warning On Receipt Of New Email Sender

Installing and Updating Microsoft AntiMalware in Azure

The Microsoft AntiMalware agent is a virtual machine extension in Azure that adds support for build in antimalware management within your virtual machines hosted in Azure. The agent can be added easily when you are creating a new VM, which we will show first below using the resource manager model, but also can be added… Continue reading Installing and Updating Microsoft AntiMalware in Azure