homework,

solution all q

Question 1: Explain various challenges for password-based user based authentication with example and explain the countermeasures to each attack. Question 2: Explain how hash-based password work and mechanism can be attacked. Describe the means to resolve the attacks. Describe possible attacks on token based authentication with example and how to resolve or countermeasures taken to each attack. Question 4: What is the advantage of using Host-Based Behavior-Blocking Software instead of fingerprinting or heuristics antivirus detection techniques