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Message: "Legacy System Extension: Existing software on your system loaded a system extension signed by 'Symantec'..."

Applicable for: Mac

We are working towards replacing our Norton Kernel extensions with new macOS System Extensions. These changes will be made available before the next major version of macOS is released.

To know more about legacy system extensions, read this Apple support article:

https://support.apple.com/en-in/HT210999

This warning message does not affect the level of protection you receive from your current version of Norton product. For now, be assured that this warning message from Apple can be safely ignored.

DocID: v137590328
Last modified: 04/24/2025

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