When evaluating Application Security Testing, what aspect do you think is the most important to look for?

Accuracy, cost, reliability and stability

Accuracy of the assessment report is the most important aspect of application security test. It should not contain false-positives, be well structured and provide enough information for the developers to fix the discovered issues.

1) Strong enrypting and valide certificates. 2) Separated security policies for different parts of solution. 3) Secured accounts for maintaining. 4) Performance bottlenecks between frontend and backend. 5) Overall stability of whole solution under stress.

Total cost of ownership