Table 1 Analysis results with an attacker positioned on the Internet
From: Load balancing of renewable energy: a cyber security analysis
Scenarios | 1st & 2nd RTUs | DER RTU | SCADA servers |
|---|---|---|---|
Model variant A (no DMZ / less secure) | 29 days | 30 days | 27 days |
Model variant B (no DMZ / more secure) | 66 days | 65 days | 59 days |
Model variant C (DMZ / less secure) | 74 days | 77 days | 70 days |
Model variant D (DMZ / more secure) | 132 days | 131 days | 106 days |