Which of the following threat intelligence helps cyber security professionals such as security operations managers, network operations center and incident responders to understand how the adversaries are expected to perform the attack on the organization, and the technical capabilities and goals of the attackers along with the attack vectors?

Which of the following formula represents the risk?

Rinni, SOC analyst, while monitoring IDS logs detected events shown in the figure below.

What does this event log indicate?

Which of the following command is used to enable logging in iptables?

John, a threat analyst at GreenTech Solutions, wants to gather information about specific threats against the organization. He started collecting information from various sources, such as humans, social media, chat room, and so on, and created a report that contains malicious activity.
Which of the following types of threat intelligence did he use?