You need to check these have been done on any iOS or macOS device that handles your organisation’s sensitive data. Johannes Ullrich on SANS INternet Storm Centre has an excellent summary of the updates:
Apple Patches Everything: macOS, iOS, iPadOS, watchOS, tvOS updated. – SANS Internet Storm Center
Auto-updates are an essential to be turned on but sometimes there are issues – we can help with macOS devices, but you need a procedure in place for other devices.
Are You Using Bring Your Own Device – BYOD – To Save Money?
Remember you are responsible for the data security on your organisation’s devices and on any device your team uses as “BYOD”.
Clive Catton MSc (Cyber Security) – by-line and other articles