In one set of embodiments, a method is provided for implementing a security risk assessment for a merchant entity having connectivity to {HEAD ~ a shared network}, which may, for example, comprise an Internet merchant or {TAIL ~ an Internet merchant gateway} 
comprise
In one set of embodiments , a method is provided for implementing a security risk assessment for a merchant entity having connectivity to { HEAD ~ a shared network } , which may , for example , comprise an Internet merchant or { TAIL ~ an Internet merchant gateway }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL