@TechUST Thanks for posting in our Q&A.
For MacOS security settings, disk encryption policy and firewall policy will be good choice. Please refer to the following article:
https://zcusa.951200.xyz/en-us/mem/intune/protect/endpoint-security-disk-encryption-policy
https://zcusa.951200.xyz/en-us/mem/intune/protect/endpoint-security-firewall-policy
Please note that more detailed requirements more help we can give. So, if you have more specific requirements, please let us know and we will provide more information.
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