Worth Reading – Microsoft Defender Revelation Poses Troubling Questions
If we can’t trust Microsoft’s own tools to work, people will look for other tools. The advantage of being the built-in tool disappears when we can’t trust it.
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Worth Reading – Help on the line: How a Microsoft Teams support call led to compromise
Microsoft has made efforts to make it clearer when a call is from outside the tenant, and I think that helps. Still, it might now be a good idea to review the proper procedures with your users, and for larger organizations where users may not recognize the support team, an identity verification step might also be worth considering.
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Worth Reading – Microsoft Copilot Email and Teams Summarization Vulnerability Enables Phishing Attacks
If you can get Copilot to drop a link into the auto-summary, it would be less suspicious than an email sent from outside with a link. That’s probably true. After all, if you trust your AI Summarization tool to summarize the email instead of reading it, why wouldn’t you trust any links it included?
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M365 News for February 2026
This post will be updated throughout the month as new items are added to the tag.
Be sure to subscribe to my M365 Newsletter for more M365 expertise and news.
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M365 News for January 2026
This post will be updated throughout the month as new items are added to the tag.
Be sure to subscribe to my M365 Newsletter for more M365 expertise and news.
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So much news from Ignite 2025
I’ve only had time to watch the keynote today, and I’m already overwhelmed by the number of announced changes coming to M365 – almost all of which involve AI of some sort.
If you want to see the firehose, you can check out the Book of News.
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Who asked for this?
As I’ve said many times, Microsoft has invested too much money in AI to let users opt out of using it, even if it does ruin everything Microsoft has been known for.
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Worth Reading – Why Enabling File Attachments in Teams Chats with External Users Matters
I know many of you who work in regulated industries or deal with security risks may not want to hear this, but it makes sense to allow users to share files back and forth in Teams chat with external parties.
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Worth Reading – Beyond Chat: The Hidden Dominoes When You Create a Microsoft Team
Everything about Teams—security, retention, eDiscovery, privacy, and so on— starts with understanding the data involved. To understand the data involved, you need to be familiar with all the details of this chain reaction. You’re not protecting and investigating data in a Teams channel; you’re dealing with data in Exchange, SharePoint, and potentially in various other locations, depending on the apps used in the channel.
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Worth Reading – Introducing new security and compliance add-ons for Microsoft 365 Business Premium
There is more detail in the announcement above, but the bottom line is this. You can get Defender and a range of e5 Purview tools for an additional $15 USD per month per user. With Business Premium costing $22 per month per user when paid annually, that’s a significant savings over a full E5 license if you have fewer than 300 users.
