After all, technology is developing and it is able to keep up with these tricks. However, you have to know that any attempt to solve these dilemmas from the technological part is confronted with high expenses and with less accuracy and speed. The roof has to be dropped in messages that can be monitored and analyzed - just as the garden fences do not stop anyone from climbing in, they make the task more difficult and protect from many burglars by reducing their chances to break in.