The ‘castle and moat’ approach to protecting one’s domain was effective for centuries, but that era has passed. Employees ‘ and their devices ‘ are no longer restricted within a ‘perimeter’ Employees work from home, in cafes, temporary offices and even from abroad. Granting them (and their various devices) unlimited access, as we once did when everyone sat under one roof, means trusting that they fully understand the heightened risks of remote work and will adjust their behavior to account for them.
Source: https://www.helpnetsecurity.com/2021/02/19/behavioral-experts-improving-security/