CrowdStrike if you can afford them at $1200.00 per year for five computers minimum. Crowdstrike is the most advanced and complete protection we have tested and it is able to protect against nation-state-level attacks. This lightweight program protects your Mac and usually never bothers you until the day it's saving your life. The executive assistant director of the criminal, cyber, response, and service branch of the FBI, after 24 years, named president of CrowdStrike Services, Shawn Henry. Or as the minimum level of protection that we would want any client to have Malwarebytes $40 per year per user. Both are American Based companies.