Table 3 Surveillance and security technologies per examined critical infrastructure
From: Surveillance and security: protecting electricity utilities and other critical infrastructures
Type | Technologies | Water utility | Electricity utility | Refinery |
|---|---|---|---|---|
Visual surv. | Video | X | X | X |
| Â | Imaging | X | X | Â |
| Â | Photography | Â | X | Â |
Biometrics | Physiological | X | Â | X |
Communication surv. | Cyber security | X | X | X |
| Â | Physical | X | X | X |
Location tracking | Proximity sensing | X | Â | Â |
| Â | Triangulation | X | X | Â |
Dataveillance | Cyber surv. | X | X | X |
| Â | Data analysis | X | X | Â |
Ubiquitous surv. | Embedded sensors | X | X | Â |