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TonyRedmond's avatar
Jun 23, 2023

Microsoft Information Protection Upgrades to Enhanced Encryption Algorithm

After discussion in 2022 about potential vulnerabilities for the AES128-EBC cipher used by Microsoft Information Protection (MIP), an August upgrade enables AES256-CBC protection for sensitivity labels and other MIP components. Some care is needed to make sure that Exchange Server and other on-premises solutions work properly with the new cipher, but transition for Microsoft 365 tenants should be seamless.

https://office365itpros.com/2023/06/23/aes256-cbc-mip/

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