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MC590144 – Microsoft Purview Information Protection moving to AES256-CBC mode for encryption of email and Office files. (archived)

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check before: 2023-06-30

Product:

eDiscovery, Exchange, Microsoft 365 Apps, OneDrive, Outlook, Purview Communication Compliance, Purview Information Protection, SharePoint

Platform:

Android, iOS, Mac, mobile, Online, US Instances, Web, Windows Desktop, World tenant

Status:

Rolling out

Change type:

Feature update, Admin impact

Links:

117576

Details:

Microsoft Purview Information Protection will begin to use Advanced Encryption Standard (AES) with 256-bit key length in Cipher Block Chaining mode (AES256-CBC) by default for encryption of Office documents and emails. If your organization is part of any of the four groups listed in this post, you must take action to update or opt out of this change.

You can read about this on our Tech Community blog post and learn more in our documentation.
This message is associated with Microsoft 365 Roadmap ID 117576
[When this will happen:]
We will begin rolling out late August 2023 and expect to complete by late September 2023.

Change Category:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:
Current Channel, Current Channel (Preview), Monthly Enterprise Channel, Semi-Annual Enterprise Channel, Semi-Annual Enterprise Channel (Preview)

Created:
2023-06-16

updated:
2023-06-16

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Last updated 5 months ago

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