Criminals collect items such as credit card numbers without the user’s knowledge through the use of

spyware

Explanation:

Spyware -

It is a illegal software , which gains confidential information about a person or an organisation and share with any other person , without the permission of the person , is referred to as spyware.

It is a illegal practice , which enable to share information with the consent of the person.

Hence, from the question, the correct term for the given information of the question is spyware.

european feudalism was a combination of legal and military customs in medieval europe that flourished between the 9th and 15th centuries. broadly defined, it was a way of structuring society around relationships derived from the holding of land in exchange for service or labour.

japanese feudalism. the era of feudalism in japan took place from the 12th through 19th centuries. during that period local rulers, either powerful families or military warlords, dominated the land, while the emperor was merely a figurehead and not a significant political presence.