Table 4 Evaluation of surveillance and security technologies based on operators’ subjective perception
From: Surveillance and security: protecting electricity utilities and other critical infrastructures
| Â | Security | Privacy | Usability | Effectiveness | Cost | Cost |
|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | effectiveness |
Visual surveillance | Medium | Medium | Medium | Low | Low | Low |
Biometrics | High | Medium | Medium | Medium | Low | Medium |
Communication surv. | Medium | Medium | Medium | Low | Low | Low |
Location tracking | High | High | Medium | Low | Medium | Low |
Dataveillance | Medium | Low | Low | Medium | Medium | Low |
Ubiquitous surv. | Very low | Low | Low | Very low | Very low | Very low |