The hacker generally use a program or an application to retrieve the data of others. The hacking is also a kind of art and requires a high amount of knowledge of programming and tools used for capturing the data.
The main difference between a skilled hacker and an unskilled hacker lies between the type of tools they use for hacking. The skilled hackers generally create their own codes and softwares, so that they did not get caught and traced.
The unskilled hackers generally used the existing software and the tools. Also, they lack a complete knowledge about the tools, which increases the chances of being easily caught and traced.