There are many ways that people can be manipulated to disclose knowledge that can be used to jeopardize security. one of these ways is to call someone under the false pretense of being from the it department. this is known as

This is known as "Pretexting".

Pretexting is a type of social designing in which an individual deceives get confidential or personal information. A pretext is a false thought process. Pretexting frequently includes a trick where the liar puts on a show to get data with a specific end goal to affirm the personality of the individual he is conversing with.

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.