Tag - Exchange Online

Moving to Microsoft 365 means getting to know your data (and your business)

Moving to Microsoft 365 means getting to know your data (and your business)

Through my website's contact form, I still hear about botched migrations to Microsoft 365 on a regular basis. This is usually due to exactly one problem: ignorance about the process, as well as ignorance about the datasets being migrated, as well as ignorance about the various tools that we have...
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Updates to my Exchange Online and Office 365 ATP scripts

Just a quick note--this week I updated the Exchange Online and ATP scripts that I publish and use to provision new tenants--to fall more in line with the new best practices that were published by the Exchange Online Protection and Office 365 ATP teams.* You can also use the new...
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You give Encrypt button back NOW, Microsoft!!!!

Recently Sensitivity labels were brought to Outlook, across all the various apps now, including mobile, desktop and web access. This drama has certainly been worth watching. I think Sensitivity labels should gain a lot of traction in general over the next year or two. It's so much more powerful than most...
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Updated: Exchange Online baseline / best practices scripts

I recently updated the scripts that I use to provision new Exchange Online tenants and configure them according to best practices, and I just uploaded these edits to GitHub. The main script is Baseline-ExchangeOnline.ps1--this is like a "master" script that contains almost all of the others (with a couple of...
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Introducing the Microsoft Office 365 Email Security Checklist

Okay. I think I have had enough. Enough of what? Enough of reports like this one. And since email is still the number one attack vector in use by the bad guys, it's time we step up our game--I'm looking at you, IT pros (especially consultants). Of note, from the...
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Three ways to disable basic authentication and legacy protocols in Exchange Online

One of the most common (and often successful) attacks we see in the wild is a simple brute force / password spray against weak accounts. Especially against shared mailboxes. From that foothold, the most common next step attackers will take is to send out spam/phishing emails from the compromised account,...
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How to deal with departed user data in Microsoft Office 365

Going from one organization to the next, I am always amazed at how different people implement their own take on new user setups or decommissioning departed users. Some have no real organized methodology and it's a hassle every time, while others have a well-developed practice or script around each process. It...
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Updated: How to migrate email to Office 365 Exchange Online with zero downtime (the easy way)

Some people will tell you that Hybrid is not a good idea for small business networks, since it is "too complex" or "too messy." Don't listen to the naysayers. They are just not aware yet of how stupidly simple it has become, with options like minimal hybrid and the brand...
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