Chandler is a professional hacker who is targeting an organization called Technote. He wants to obtain important organizational information that is being transmitted between different hierarchies. In the process, he sniffs the data packets transmitted through the network and then analyzes them to gather packet details such as network, ports, protocols, devices, issues in network transmission, and other network specifications.
Which of the following tools can Chandler employ to perform packet analysis?

Mr.Smith is a lead incident responder of a small financial enterprise, which has a few branches in Australia. Recently, the company suffered a massive attack losing$5MM through an inter-banking system.
After an in-depth investigation, it was found that the incident occurred because 6 months ago the attackers penetrated the network through a minor vulnerability and maintained the access without any user being aware of it. They then tried to delete users' fingerprints and performed a lateral movement to the computer of a person with privileges in the inter-banking system. The attackers finally gained access and performed the fraudulent transactions.
Based on the above scenario, identify the most accurate kind of attack.

Dan is a newly appointed information security professional in a renowned organization. He is supposed to follow multiple security strategies to eradicate malware incidents.
Which of the following is not considered as a good practice for maintaining information security and eradicating malware incidents?

The USB tool (depicted below) that is connected to male USB Keyboard cable and not detected by anti-spyware tools is most likely called:

What is the name of the type of malicious software or malware designed to deny access to a computer system or data until money is paid?