A Remote Access Trojan aka RAT is malicious software that provides the attacker with unlimited access to the victims' endpoints.
If your CEO sends you an email asking you to make an urgent payment, would you be suspicious of an email from him?
An SMS grabbing attack is a widespread attack on Android mobile devices whose goal is to intercept the user's SMS used as a second authentication factor or "account recovery" code.
A SimSwap is a type of ATO (Account Takeover) focuses on the weaknesses of the identification process that involves SIM card.
ATO is an attack by Account Takeover, that is the scenario in which an attacker can take complete control of the victim's account.
The distinction between active and passive biometrics is based on the enrollment mode (activation) or training needed to be able to recognize the user.