AVQS: Attack Route-Based Vulnerability Quantification Scheme for Smart Grid

Table 4

Network security scores and AVQS scores.

Type	SC1	SC2	SC3
Network security functions	Present	Not present	Present
Communication link type	Wired	Wired	Wired
Protocol type	Protocols for PLC without security	Protocols for PLC without security	TCP/IP with security
NVS	−0.79	0.72	−0.95
AVQS	3.31	7.02	4.35