A network administrator received an administrative alert at 3:00 a.m. from the intrusion detection system. The alert was generated because a large number of packets were coming into the network over ports 20 and 21.
During analysis, there were no signs of attack on the FTP servers. How should the administrator classify this situation?
George is the security administrator for a public school district. He is implementing a new student information system and is testing the code to ensure that students are not able to alter their own grades. What principle of information security is George enforcing?