Ventura, DT3, Arq, Wasabi: Immutable backups failing silently

Sounds like this is related to Ventura’s full disk access bug that broke all security applications.

… If you use a security scanner on your Mac and you update to macOS Ventura, check the program directly to see if it’s flagging an error. The workaround to fix the problem is simple once you know to do it. In System Preferences go to Security & Privacy, then the Privacy tab, and then Full Disk Access. Click the lock icon in the lower-left corner of the screen and authenticate with your system password to allow changes. Then uncheck the box next to any security services that are malfunctioning, to let the system know you want to disable their permission. Click the lock in the lower-left corner again to save the change, then redo the process and recheck the relevant boxes to freshly enable the permission without the flaw…
… Wardle says he has been deluged by bug reports about his free, open source malware monitoring tool, BlockBlock. The Ventura bug even makes it appear that security services like BlockBlock and Malwarebytes have been granted extra system access beyond what these programs request, including the accessibility permission, access to input monitoring, and even screen recording…
… “It shows that when Apple is pushing out security fixes for reported bugs, they’re still struggling to do that comprehensively and successfully without breaking other things. And in this case, they’re shipping a version of their operating system that is breaking security tools for millions, if not tens of millions, of users. It’s frustrating and disheartening.”

Unfortunately, it’s anyone’s guess as to how soon Ventura 13.1 will be released, and many people are in need of a solution immediately. There is a workaround. We have posted an article with details for getting Malwarebytes working again, but the same solution works for any other endpoint security client. Essentially, this boils down to:

  1. Open Security Settings → Security & Privacy → Full Disk Access
  2. Select the security software in the Full Disk Access list
  3. Click the minus (-) button at the bottom of the list to remove it
  4. Try to turn on any real-time protection features in your security software
  5. The security software should reappear in the Full Disk Access list; flip the switch to give it Full Disk Access
    Some details may vary slightly about exactly how all this works for the software you’re using, but in general, this should work.
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