An analyst was testing the latest version of an internally developed CRM system. The analyst created a basic user account. Using a few tools in Kali’s latest distribution, the analyst was able to access configuration files, change permissions on folders and groups, and delete and create new system objects. Which of the following techniques did the analyst use to perform these unauthorized activities?
A. Impersonation
B. Privilege escalation
C. Directory traversal
D. Input injection