Authentication vs Authorization — What’s the Difference? Authentication verifies who you are when you log in, using credentials like a username and password. Authorization determines what you’re allowed to access after you’re logged in, such as pages, features, or permissions. A simple explanation of these core security concepts every developer and tech learner should understand. #Authentication #Authorization #AuthVsAuthz #CyberSecurityBasics #WebDevelopment #BackendDevelopment #SoftwareEnginee