$3\mathrm{.}1$ You run "Cafe Connection," a thriving coffee shop known for its cozy atmosphere and free Wi$-$Fi$.$ However, you have recently become concerned about the security of your wireless network. Customers might be using your Wi$-$Fi to access sensitive information, and you want to ensure their data is protected.

Data breaches can be disastrous for both businesses and their customers. Explain the steps you would take to safeguard "Cafe Connection's" wireless network and protect customer data transmission. How would implementing these security measures benefit both your business and your customers? $(25)$