Definition - What does Pretexting mean?
Pretexting is a social engineering technique in which a fictional situation is created for the purpose of obtaining personal and sensitive information from an unsuspecting individual. It usually involves researching a target and making use of his/her data for impersonation or manipulation. Personal data may include Social Security numbers (SSN), usernames, passwords or other privileged information.
Techopedia explains Pretexting
Legitimate calls are easily identifiable because a caller knows an individual's information and will only ask for an agreement confirmation to complete a transaction.