Your company is going to launch a new version of a banking application. To ensure an appropriate security posture, the team performed penetration tests using accounts with varying levels of access. Which of the following would be the best additional step to take?

A. Code review across critical modules
B. Performance testing
C. Port scanning in the network for open ports
D. Review all patch levels on all servers

D
Explanation: While all options are security related and good ideas, the most pressing need with respect to this applications is code review.