Malware Archives - Practical 365

Not Today, Satan: Securing Your Network by Blocking Ad-Borne Malware

Paul Robichaux — Fri, 06 Oct 2023 10:00:00 +0000

Apart from being annoying, advertisements can actually be used to deliver malware. This blog explains what "Malvertising" is and how to secure your network from these attacks.

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Threat Explorer and Investigations: Useful Microsoft Defender for Office 365 Features

Tony Redmond — Mon, 21 Feb 2022 07:29:00 +0000

Microsoft Defender for Office 365 (plan 2) contains the Threat Explorer feature. It's a useful way to investigate problematic messages which arrive in a tenant. The automated investigations feature can highlight messages containing malware by assembling evidence about warning signs in the message or its contents, and administrators can then action the recommendations up to and including the removal of messages already delivered to user mailboxes. Automating investigations is a good thing, if you afford Defender for Office 365 Plan 2.

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Restoring the Default Malware Filter Policy in Exchange Online Protection

Paul Cunningham — Mon, 22 Jan 2018 06:59:45 +0000

How to use PowerShell to reset an Exchange Online Protection malware filter policy back to the default settings.

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How Secure is Sending Emails to Microsoft Teams Channels?

Paul Cunningham — Wed, 15 Mar 2017 21:26:16 +0000

Are there any security or compliance concerns for Office 365 customers who allow emails to be sent to Microsoft Teams channels?

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Exchange Online Advanced Threat Protection Dynamic Delivery Behavior with Journaling

Paul Cunningham — Thu, 02 Mar 2017 10:56:03 +0000

How does the Dynamic Delivery feature of Exchange Online Protection Advanced Threat Protection (ATP) impact customers who use journaling for email compliance and archiving.

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Advanced Threat Protection Notes from the Field

Paul Cunningham — Thu, 21 Apr 2016 00:00:00 +0000

Here's my experience using the Advanced Threat Protection features in Exchange Online Protection to protect my Office 365 tenant.

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