An unauthorized access is the main tool mostly used by criminals. The criminals also use some of the tools which help offenders to instigate the access.
In this method, a criminal investigates the ports to enter in the system network. By using this criminal investigate the TCP and UDP by sending some kind of data. This practice helps him to get the details of the port that is it open or closed. Furthermore, a hacker focus to attack the open ends of the network to access illegally.
The definition already lies in the name of the tool. Sniffing is like enticement in the data search. In this the criminal use to search the flowing data across the computers or networks. Lots of software are available namely packet sniffer etc. Mostly this software is being used for troubleshooting the network problems. On the other side, hackers use these tools for the wrong purpose.
The criminal enters the cache memory where all the logins sessions are saved in this tool. If a criminal gain the access to the computer’s memory he scrutinizes the system for the password. Moreover, word combination is also being used to capture the password. In this method, software is run which consider all the characters and symbols until the password is found.
Buffer flow occurs when a program tries to enter or store the data in the temporary memory of the system. In this system, the computer is victimized by triggering the specific action. For example, damaging the data exchange of the computer. In this process when the excess of commands or data flows increased. The consequence, this allows the criminal to victimize the computer by punching some sort of codes. These series enables the hacker to intrude into the computer.
Keylogger is very common software available on multiple domains. This can also be a hardware device. These tools are used to figure out the computer logs. This tool monitors the keyboard expressions. The installed hardware or software captures the key expressions of the users. By this the criminal access the logs to find out login details and passwords