1 briefly explain, what is the Time-Based Model of security?

2 briefly explain, how can improve reliability of the time-based model of security? Focus on logic of how the three types of control should be improved.

IM The current TBM model is: P 25 minutes *D 15 minutes c12 minutes

You have the following two options need the same cost.

First option: increase P3 minutes, decrease D 4 minutes, and decrease C2 minutes.

Second option: decrease P, D and Cby 7 minutes cach

Which option you will choose and why( show calculation )