You company suspects an employee of sending unauthorized emails to competitors. These emails are alleged to contain confidential company data. Which of the following is the most important step for you to take in preserving the chain of custody?

Your friend plans to install a Trojan on your computer. He knows that if he gives you a new version of chess.exe, you will definitely install the game on your computer. He picks up a Trojan and joins it to chess.exe. The size of chess.exe was 526,895 bytes originally, and after joining this chess file to the Trojan, the file size increased to 651,823 bytes. When he gives you this new game, you install the infected chess.exe file on your computer. He now performs various malicious tasks on your computer remotely. But you suspect that someone has installed a Trojan on your computer and begin to investigate it. When you enter the netstat command in the command prompt, you get the following results:
C:\WINDOWS>netstat -an | find "UDP"
UDP IP_Address:31337 *:*
Now you check the following registry address:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices
In the above address, you notice a 'default' key in the 'Name' field having " .exe" value in the corresponding 'Data' field. Which of the following Trojans do you think your friend may have installed on your computer on the basis of the above evidence?

Which of the following types of cyber stalking damage the reputation of their victim and turn other people against them by setting up their own Websites, blogs or user pages for this purpose?

Your friend plans to install a Trojan on your computer. He knows that if he gives you a new version of chess.exe, you will definitely install the game on your computer. He picks up a Trojan and joins it to chess.exe.
The size of chess.exe was 526,895 bytes originally, and after joining this chess file to the Trojan, the file size increased to 651,823 bytes. When he gives you this new game, you install the infected chess.exe file on your computer. He now performs various malicious tasks on your computer remotely. But you suspect that someone has installed a Trojan on your computer and begin to investigate it. When you enter the netstat command in the command prompt, you get the following results:
C:\WINDOWS>netstat -an | find "UDP"
UDP IP_Address:31337 *:*
Now you check the following registry address:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices In the above address, you notice a 'default' key in the 'Name' field having " .exe" value in the corresponding 'Data' field. Which of the following Trojans do you think your friend may have installed on your computer on the basis of the above evidence?

In which of the following files does the Linux operating system store passwords?