OTP

one time password

role based access

$[$ Choose $]$

rule based access

$[$ Choose $]$

MAC

$[$ Choose $]$

DAC

$[$ Choose $]$

single factor authentication

a user provides one form of identification

multifactor factor authentication

$[$ Choose $]$

software token

$[$ Choose $]$

biometrics

$[$ Choose $]$

least privilege model

$[$ Choose $]$