Security breach | Computer Science homework help

Research one instance of a security breach that occurred for each of the best practices of access control (separation of duties, job rotation, least privilege, and implicit deny.) Write a short summary of the breach. Rank the four best practices from most effective to the least. Why did you rank them this way? just 50-70 words

What type of cognitive biometric “memorable event” do you think would be effective? Design your own example that is different from those provided in Chapter 12 of the text. There should be five steps, and each step should have seven options. The final step should be a fill-in-the-blank user response. Compare your steps with another student’s response. Which would you think be easiest for the user? just 50-70 words