In addition to buffer overflows, programmers could leave back doors and privile

In addition to buffer overflows, programmers could leave back doors and privileges programs on an online system after its completion or termination, allowing an attacker to access your employer’s online system.
>> Referring to page 7 of attached pdf, Figure 9.2, what process do you propose to the Computer Operation Manager to mitigate an attack on your employer’s online system?
Need 2 pages with peer-reviewed citations. No introduction or conclusion needed.