People are unwilling to put credit card information on the web, but they willingly give it over the phone. Users, especially those who don't usually operate a machine, fear they will be victim someone stealing their information. Internet virus scanners must be updated often to be sure the machine is able to detect most intrusion. Some will be able to detect other problems such as remote operation programs that can render a user helpless. Issues have existed since the birth of communication and will continue to challenge new media.
New technology brings new problems.
The cost of liberty includes willingness to accept ills it may cause.