It absolutely can, it is called Zero Trust, as has been a cyber security model for many many years now
The problem is most organizations have their entire business workflow around the Ring Fence model, and organizations is extremely prone to "we have always done it that way" when it comes to business processes so they expect IT to buy some software, or some widget to bolt on to the ring fence that will protect them
Businesses need to completely rework their internal methodologies, and processes which is something most companies refuse to do
Moreover, engineers also design for resilience to human "attackers" in physical systems all the time.
If anything, cybersecurity is easier because you can leverage the work of tens of thousands of other people in your tooling. You wanna re-write ssh or fail2ban yourself?