The last (and only) pen test report I saw had some "escalation of such and such via this vague vector, please do x and y to close off this avenue" - strongly im

The last (and only) pen test report I saw had some "escalation of such and such via this vague vector, please do x and y to close off this avenue" - strongly implying that they felt the actual trick being used was their IP to be protected? This was for using citrix boxes to provide saas to a client