Yes, this is necessary to combat terrorism

A surveillence state results in a dismal authoritarian dystopia in which nobody has the right to privacy.

Government Surveillance is currently being used as a weapon to spy on civilians, it is more necessary to use police officers walking around cities 24/7 and increasing security at borders, airports. etc.

We have to be sure that if surveillance is being used then it has to be used for the right reasons without extensive use on resources