4. The Student Channel (TSC), a media company, implemented a new web facing ERP application in 2022. A malicious actor penetrated the application due to vulnerabilities in its most recently implemented software update. TSC suffered the infiltration primarily because:

A) TSC configured the system and changed all default settings and passwords

B) TSC provided incomplete training for end users

C) TSC relied on the result of network vulnerability scans performed by the software vendor.

D) The software was not functional s TSC assumed during the performance of the requirements analysis phase