Answer: (b) invisible information gathering
Step-by-step explanation:
Invisible information gathering is the process in which sensitive and personal information about any authorized is collected without their acknowledgement.Example-cookies etc
- According to thew question example of invisible information gathering is depicted when links and IP address of the website visitor gets collected automatically without their knowledge.
- Other options are incorrect because data spillage, data mining and secondary usage is not determined through secret collection of information without knowledge of authorized person.
- Thus, the correct option is option(B)