In this part of the series I want to talk about the most obvious and meaningful security measure for O365 – Multifactor authentication (MFA). The well-established technology can significantly reduce the attack surface of your organization and is easy to implement for O365 administrators. It should be your first line of defense against phishing and replay attacks in your security environment. In this article I want to talk about the technical/mathematical concept of the standard and show you how to activate the tool and its features in your tenant.

Read more...

This part is focused once again on mail traffic and its attack vectors. Specifically, I wanted to tag all incoming mails in Office 365 Exchange, which are not coming from trusted domains. This is really easy to implement with Exchange Online rules and doesn’t even require any kind of powershell knowlegde, so every O365 should have implemented this policy in their environment.

Read more...

How you do implement basic security policies for your company’s Office 365 system? As mail systems are usually the main target for your average cyber criminals, a quick strategy was needed to harden the first line of defense against this attack vector. The measures I came up with are luckily not any kind of rocket science and easy to implement even by not so experienced O365 admins, as they are well established and around for quite a while by now. But they are a great way to harden your network and protect your users against cyber criminals with just a few hours of work. This is a three part series, starting with how to implement DMARC for your Office 365 Exchange Server.

Read more...

I’ve been waiting a long time for this and its finally here - PowerShell Support for Azure Functions v2 is generally available and ready for production! On the 4th of November at Ignite 2019, the general availability has been announced. This alone is a big step for automating tasks in Azure, but there is more, the Product Group also announced the general availability of the Premium Plan for Azure Functions! With this, Azure Function Apps can seamlessly be integrated within your VNet.

Read more...

PowerShell 7 Overview

in PowerShell by Christoph Burmeister
1.1k words · 7 min to read

On the 5th of April 2019, Steve Lee announced two things, the general availability of PowerShell Core 6.2 and the the next major version, PowerShell 7.
In this post we will keep track of the changes in PowerShell 7 and will provide an overview of the new lifecycle management.

Read more...

Azure Sentinel Introduction

in Azure, Azure Sentinel by Jan-Henrik Damaschke
1.7k words · 10 min to read

Azure Sentinel is Microsoft’s security information and event management (SIEM) and security orchestration, automation and response (SOAR) offering for modern SecOps. Now with the announced General Availability of Azure Sentinel, we will take a look and the current features, what changed from the preview and where there is still room for improvement.

This Post is Azure CloudShell compatible

Read more...

Tenant Migration - Quest on Demand

in Office 365 by Jacob Meissner
1.2k words · 7 min to read

In situations like mergers, Office 365 tenants often have to be consolidated or migrated. Du to different companies having different requirements to compliance or governance standards. I would like to share my personal experiences in with the Quest’s on Demand Migration utilities.

Read more...
Author's picture

IT Insights Blog

Knowledge Delivered


author.job