How to whitelist the Hut Six Phishing Simulator in Office 365

The easiest and most secure way to whitelist Hut Six's Phishing Simulator in Office 365 is to create a third party phishing simulation entry in Microsoft Defender.

1. Go to https://security.microsoft.com/advanceddelivery and select the "Phishing simulation" tab.
2. Add each domain you are using in your campaign
3. Add the following IP to the Sending IP input: 34.242.252.182

For example, if you were running a campaign using the mitiguard.net and pensionparrot.com domains then your entry would look like this: