"Last week, police in Concord, California, arrested a high school student for allegedly deploying a series of phishing emails targeting teachers at his school, in an attempt to change the grades of numerous students. Those emails provided a link to a site that appeared to be similar to an authentic grade portal, allowing the suspect to capture legitimate login credentials. Why the accused student did not change any of his own grades is unclear. (...) Sgt. Carl Cruz, a police spokesman] explained that, with the fake site, "Tthe student was able to access the Mount Diablo Unified School District IT network and therefore get into the grade system," noting that "10-15 students' grades were changed, but we're still investigating i. Based on the information from the extract above, explain for each of the CIA principles why it was or was not violated. Could this attack have been prevented if the school had used hashing to protect passwords? Explain why or why not. b. i. What type of phishing attack is described in the extract above? ii. Explain how email users might protect themselves against this type of phishing attacks. Use an internet search to provide two distinct simple guidelines suitable for email users in a work environment