The quality of being able to be penetrated or passed through.

The extent to which something can be infiltrated or accessed.

पहुँचने की योग्यता

English Usage: The penetrability of the security system was questioned after the breach.

Hindi Usage: सुरक्षा प्रणाली की पहुँचने की योग्यता को उल्लंघन के बाद questioned किया गया।