Answer:
Behavioural targeting
Explanation:
Behavioural targeting is the method that enables advertisers to display more relevant ads based on user's search and browsing history. This is an online targeting technique that collects information from a particular user. This information comes from the person's browsing history. The information that comes from the browsing history enable advertisers to display specific targeted ads that would most appeal to the person in question.
I’d say monthly. It probably wouldn’t kill you to do it every three months though.
Answer: (C) Ransomware
Explanation:
The ransomware is one of the type of malware software design which is used for blocking the user accessing unauthorized and also without paying money.
The most of the ransomware software encrypt the computer accessing and the files as they demand for the payment dues for again restoring the access.
It also encrypt the user account and the information until the correct decrypt key are get entered into the system. So, according to the given situation, the ransomware attack are experienced in an organization.
Therefore, Option (C) is correct.