Counter surveillance is not regarded as an Antiterrorism Level I theme and is therefore denoted as option 4.
These refers to the different methods and devices which are used to prevent surveillance of people such as the use of cameras etc to check mate this act as it could be for negative reasons such as killing or other forms of vices.
Counter surveillance prevent others from monitoring our activities unlawfully through various means and isn't among the Antiterrorism Level I theme because its main theme of operation include anticipating and being vigilant.
This is therefore the reason why option 4 below was chosen as the most appropriate choice.
The options include the following:
1) Anticipate
2) Be Vigilant
3) Don't be a Target.
4) Counter-surveillance.
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