Table 4 Calculating CRPN for each security failure at the network
Failure causes | S | O | D | CRPN |
|---|---|---|---|---|
Antivirus update | 3 | 5 | 6 | 90 |
Firewall | 7 | 3 | 4 | 84 |
Performance and tuning | 2 | 7 | 5 | 70 |
Password protection | 4 | 7 | 3 | 84 |
Access control list | 5 | 2 | 8 | 80 |
Internet use policy | 6 | 2 | 7 | 84 |
Internal users | 3 | 6 | 4 | 72 |
IT professionals | 2 | 4 | 5 | 40 |
CCTV | 3 | 2 | 6 | 36 |
Biometric | 3 | 4 | 8 | 96 |
Electronic ID cards | 2 | 3 | 4 | 24 |
Terminal | 3 | 3 | 1 | 9 |
Aircraft | 3 | 3 | 1 | 9 |
Internal operations | 3 | 7 | 4 | 84 |
Wireless access | 4 | 8 | 3 | 96 |
Hardware | 2 | 4 | 4 | 32 |
Software | 2 | 2 | 3 | 12 |
Data | 3 | 4 | 6 | 72 |