Another name for obtaining information under false pretenses is "pretexting"
Pretexting is the creating of a false scenario to deceive someone into providing their personal information.
Another definition of pretexting is that it's a social engineering technique in which someone pretends to be someone else or they create a fake situation in order to trick their victim into giving out sensitive information.
False pretenses is also known legally as larceny by false pretenses and is a crime under common law.
Pretexting can be illegal in some jurisdictions especially when it's used to access personal information without authorization.
The crime of False Pretenses is the obtaining title and possession of another person's property by misrepresenting a fact (knowingly making false representations) with the intent to defraud.
The crime of False Pretenses is also known as Theft by False Pretenses or Larceny by False Pretenses.