AppArmor
linuxLinux kernel security module implementing mandatory access control using per-program security profiles
Pronunciation
Correct
APP-ar-mor
/ˈæpˌɑːmər/
A blend of 'Application Armour'. 'App' rhymes with 'tap'; 'Armor' uses the American spelling in the project name but the word is the same. British spelling would be 'Armour'.
Source: apparmor.net(official docs)