Safeguarding Sensitive Data in Microsoft 365 Copilot with Purview DLP (GA Release)

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The challenge with sensitive data and access to Copilot Microsoft 365 Copilot empowers users with AI-driven assistance across Microsoft 365 apps, but it also raises concerns about accidental oversharing of sensitive information. In response, Microsoft has extended its Purview Data Loss Prevention (DLP) capabilities to Microsoft 365 Copilot, allowing organizations to enforce information protection policies within AI workflows. The DLP for Microsoft 365 Copilot has been in preview for some time, but Microsoft has now announced it is released for GA (General Availability). Among some of the interesting features are new features like alerting and policy simulation. Key details:  Rollout Timeline: As of June 2025, the rollout has begun. It should be completed worldwide by late July 2025. Scope: Initially, DLP for Copilot was available for Copilot Chat scenarios. By the time of GA this is expanding to Copilot in core Office apps (Word, Excel, PowerPoint) as well. Ensuring that DLP prote...

Synchronization from h***

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I recently acquired a HTC Touch phone, with windows mobile. Lucky me, I thought. Now I can sync users and more across pc’s, Windows Live and my account on the exchange server. If only I can find the “avoid duplicates” setting on the sync -tool. I did, and initiated sync with Exchange.

So far, so good. Then I initiated sync with Windows Live… WooooHaa?!? What happened? Almost every contact got duplicated, and I could not tell which contact was from which source. Trying to delete one contact in one system sometimes removed a duplicate, and sometimes didn’t. I also ended up with some contacts in Exchange, not present in WL and vice versa. What a mess!

I ended up with deleting every contact, everywhere. Then fetching my Google contacts and importing them to exchange (It turned out WL contacts are not synchronized to exchange through the HTC, and they use different fields to identify weather a user is a duplicate or not).
Lesson learned:

1. Always have a good backup (I am glad I had mine in place. Recreating 200+ contacts is no small deal)
2. Be careful to initiate replication across platforms. Make sure you understand the limitations and restrictions of the software you use.