Use ORCA to Check Office 365 Advanced Threat Protection Settings

ORCA is a project to help Office 365 tenant administrators validate their anti-spam and anti-malware settings against recommendations from Microsoft. ORCA is installed as a PowerShell module with just one cmdlet. After running Get-ORCAReport, you’ll have a report containing recommendations and observations about your configuration.

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Phishing: Your Document Has Been Completed

Phishing attacks through email happen all the time. A new relatively crude one arrived today. It’s easy for the trained eye to detect phishing, but do your Office 365 admins know how to use the tools available in Exchange Online Protection to suppress malware, and do your users know the signs of bad email? In this case, it’s an invitation to click to get to a PDF document to bring you to digitaloceanspaces.com. Some interesting things might happen afterwards, but I really don’t want to find out what occurs when I click the link.

Phishing: Sample Messages Delivered to Exchange Online Mailboxes

Another day, another phishing attempt, this time trying to make unwary Office 365 administrators click on a link to “Retrieve Pending Messages” for their domain. I’m surprised this one got through! Some other examples from November 2019 are included for your review. Make sure that you report these bad boys when they arrive into user mailboxes

Phishing: EFile Document Notification

A very exciting message arrived in my mailbox. So exciting that it was too good to be true. Some basic checks made me more suspicious and then Outlook’s Message Header Analyzer gave more evidence to think the message was bad.