You said:the disadvantage of a CCTV is that robbers could use them to their advantage. They could place a CCTV on top of an Automated Teller Machine (ATM) and look at other people’s pin number when they are punching in the numbers, then use their pin number to get hold of their money.

         How could some people install a CCTV at the Automated Teller Machine (ATM) without attracting any people to look at them? Even if you said that those are the people who installs ATMs, they can't really take your money if they do not have your card, so it is useless even if they have the pin numbers. The only way possible for them to take your money is to rob you afterwards, but if you are smart enough, you would terminate the card first. So it is almost impossible to lose any amount of cash.

By Ng Jeremy(21)