Wondering why Messages might want to control computer running Big Sur

I recently upgraded my MacBook Air to Big Sur and noticed that Messages is listed as an app requesting permission to control my computer in System Preferences > Security & Privacy > Privacy tab > Accessibility. It may have been there prior to Big Sur, though I noticed it for the first time this evening while granting permission to another app.


I've tested message effects in Messages which work whether access is allowed or not. I've also tested screen sharing and it also works with access checked or unchecked.


I also Googled my heart out, which turned up nothing.


Hoping someone can tell me why it's there — or that it shouldn't be there at all. Thanks!


Posted on Dec 24, 2020 8:48 PM

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10 replies

Dec 25, 2020 9:55 PM in response to Alan Klein1

Hey again! Just a thought. Although a native app, do you ever use Messages to screen share with others? (That’s the only reason I can think of it showing there).


Likewise, if you right/Control click Messages there in Privacy > Accessibility > Show in Finder.......is it in fact the Messages app that appears? Some component of it, or something else entirely? I normally keep the Finder path are enabled at:

Finder > View > Show Path Bar.


Curious to see that location. Likewise, I suppose you can test on a new user account/safe boot, etc.


But also, if you do sign out of Messages in Messages > Preferences, does it remove itself from there? Just wondering if some other app requires messages for the accessibility feature etc. Maybe also removing the login items > Restarting and testing.


Sorry, wish I had more concrete data on that, but can’t seem to replicate this, so that’s what I’m thinking cheers!

Dec 24, 2020 10:31 PM in response to Alan Klein1

I do not know how the apps listed there appear (or not). But, I do not allow any access to any app; if there is one with a checkmark by default, I disable it. Except for Accessibility (which would have to do with any problems you may have physically for instance or, say, hearing or speech impaired) there is no need as far as I have been able to determine. And, I do not know why I should give any app "control". Not going to happen here, LOL.

Dec 24, 2020 10:42 PM in response to Alan Klein1

Hey Alan Klein1!


Good question. I don’t know why a native Apple program like Messages would need Accessibility permissions to begin with.


Can you say what this other app is that you granted permissions to when you noticed this?


Likewise, does this app have permissions enabled in the “Full Disk Access” column of the Accessibility pane of System Preferences?


I could be wrong, but do you happen to see a preferences pane in System Preferences called “Profiles”? And if so what is it?


One last question. Can you say what you have enabled in System Preferences > Users and Groups > Login Items?


Thanks, happy to lend a hand if I can. I’m not sure yet if this is expected in Big Sur or not, but wouldn’t think so, these third party apps may hold a clue.

Dec 25, 2020 10:26 AM in response to Alan Klein1

Thanks for the details, that explains a few things to me: I do not use Dropbox, SoundSource, or Teamviewer. And I do not sync (for privacy reasons) anything, nor do I use iCloud for syncing or backup. So, except for CCC which does not need to run continuously, I have nothing that needs full access nor will I allow random apps to have it.


And, my login pane is empty (I deleted a few that were there long ago). None of those listed in yours need to run at bootup - it just uses resources unnecessarily.

Dec 25, 2020 11:04 AM in response to babowa

Hi @babow and thanks for your reply.


I hear you on privacy, which I've traded for convenience in some cases.


Dropbox and OneDrive are needed for business — and while I could use Dropbox as browse-only, I appreciate the additional features offered by using the desktop app. Same goes for OneDrive.


Likewise, some of the other apps that open at login are apps are not needed, but provide features that I enjoy using. Cookies manages all browser cookies in a way I find convenient — and I trust the developer who I've communicated directly with over the years. Same with SoundSource, an app created by a trusted Mac developer.


Ultimately, we all assess our risks (security/privacy vs convenience) and hopefully reach an acceptable compromise.


My quest to find out what Messages is doing in the accessibility Privacy & Security System Preferences pane continues...

Dec 25, 2020 11:25 AM in response to Alan Klein1

Well, when you need to use OneDrive or whatever, you can simply launch it. I personally do not care to have apps run in the background when they are not needed. That has nothing to do with privacy, but more a "keep your OS running efficiently" thing. I don't have anything open, running, in the background, etc. unless I am actively using it. As an aside, I will never trust my information to any online server. I prefer my backups on numerous local hard drives.


As for Messages - I have no idea. I've never used it and haven't even set it up with my Apple ID, yet every time I log into my Mac, I have to dismiss a popup window to sign in (or cancel). It's annoying, but I can't get rid of it. And I refuse to sign into something I will never use.

Dec 25, 2020 12:09 PM in response to babowa

Hi @babowa,

Yes, I agree that it would make my Macs (particularly my ancient Mac mini) run more efficiently without these other apps. I do tend to quit those apps that are CPU hogs when doing more intensive work.


With regard to keeping info on servers, I have a friend, a professor at CUNY, who prints out and then files hard copies of each and every email she sends and receives — and then deletes the original email! (Though, unless she's using POP, there's a copy on a server somewhere and also with the recipient.)


I try my best to achieve some degree of privacy, but I'm not nearly as vigilant as you are. You seem to be doing a very good job of it and I give you a lot of credit for doing so. With so many cloud services that are marketed as "mandatory," it's not an easy thing to do these days...

Dec 25, 2020 2:12 PM in response to Alan Klein1

With regard to keeping info on servers, I have a friend, a professor at CUNY, who prints out and then files hard copies of each and every email she sends and receives — and then deletes the original email! (Though, unless she's using POP, there's a copy on a server somewhere and also with the recipient.)


Ha, I'd say that is going a bit far, LOL. But then, that is another reason why I maintain a POP account..... Some of this makes it a bit less convenient, but then - I've got the time!


Aside from trying to protect my privacy, I just loathe being treated like a piece of merchandisable something or other and no, I will not allow you to make money with my information without my express consent.

Dec 25, 2020 10:17 AM in response to DiZoE

Thanks @DiZoE for your reply!


I'll take your questions one-by-one (all of which are great, by the way!).


The following apps have requested access to Accessibility, and here are some that I've granted permission to:

- Dropbox:

Dropbox states the following

Accessibility is an Apple setting that allows applications on your Mac to interact with other applications. For example, it allows the Dropbox badge to work in non-Dropbox applications.

If you don’t turn on accessibility, you won’t get access to Dropbox features like:

    • The Dropbox badge
    • Seeing who’s viewed your files
    • Better prioritization for file syncing


- SoundSource (by Rogue Amoeba, a trusted, long-time Mac developer and which does not require Full Disk Access):

Rogue Amoeba states the following

In MacOS 10.14 (Mojave) and higher, SoundSource needs access to MacOS's Accessibility setting to provide Super Volume Keys volume control. This page <https://rogueamoeba.com/support/knowledgebase/?showArticle=SoundSource-Privacy-Accessibility> provides further details on ensuring that access is provided, so volume keys can work as expected.


- TeamViewer: Because it is used to control a Mac. I keep this unchecked unless I expressly need it to operate for some reason.


The following apps have been granted Full Disk Access:

- Dropbox.

- Carbon Copy Cloner.

- Malwarebytes.

(It makes sense that these apps would require Full Disk Access in order to operate as advertised.)


I do not have any profiles on my Macs (except for my work Mac which is managed by them).


And no surprises with regard to Login Items, which include:

  • CCC User Agent (Carbon Copy Cloner).
  • OneDrive.
  • SoundSource (Rogue Amoeba)
  • Cookie (Mac developer SweetP Productions).


All the apps that I've granted permissions have stated reasons for doing so — except, it seems, for Apple and the Messages app.


I'm still hoping to track down the reason for the request, even if I end up denying Messages access.


Thanks again!!

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Wondering why Messages might want to control computer running Big Sur

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