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In January 2022 I discovered that #Microsoft #Office365 Message #Encryption (OME) utilized Electronic Codebook (ECB) mode of operation. I reported this, got paid a $5000 bounty and then things fell dead silent. By autumn I tried to follow up on this, and after numerous attempts to inquire about the schedule for a fix I was told that no fix was planned.

Luckily, Microsoft seems to have changed their mind about this, and the fix was applied in late 2023, after all:

https://learn.microsoft.com/en-us/purview/technical-reference-details-about-encryption#aes256-cbc-support-for-microsoft-365

#vulnerability #infosec #cybersecurity

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[-] Poach@lemmy.world 1 points 5 months ago

I think you're very misguided if you think Microsoft is the best of the best at anything but driving their customers away. Specifically, power users.

this post was submitted on 29 Nov 2024
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