You are the network security expert for a medium$-$sized company that deals with sensitive customer

information. The company's network infrastructure has recently experienced several security

incidents, including unauthorised access to sensitive data. As a result, the company has tasked you

with implementing improved network security measures.

Research the concept of authentication in network security and discuss the common authentication

methods used in network environments, highlighting their strengths and weaknesses.

Based on the scenario, recommend an authentication method you believe would be most suitable

for the company's network and justify your choice.