What's the difference between a "top-down" approach to information protection and a "bottom-up" method?

What are the main differences between a top-down strategy and a bottom-up strategy for keeping private information safe? For the simple reason that it works better when done from the top down?

Top-down vs bottom-up approaches to information security: what's the difference?Because it is more effective to utilize a top-down strategy?

What are the key differences between the top-down and bottom-up approaches to information security?Is there any benefit to working from the top down as opposed to the bottom up?Evaluate the two ideas side by side, and explain in detail how they relate to the operation of the business.