Around 39 percent of businesses have experienced a cybersecurity breach in the last 12 months. Threat actors are also pervading through underlying networks, passing from router to router and accessing data stored far below the top level in a system. The refinement of their attacks mean that businesses can go unaware of a breach for longer periods of time, increasing the amount of damage that can be done. Zero-trust approaches are highly recommended for businesses, especially in the age of remote working, as a way of limiting the general amount of data left easily accessible.
Source: https://www.helpnetsecurity.com/2021/06/07/cybersecurity-network-architecture/