Applied Knowledge Check
This quiz focuses on the trickier parts of the module: recognizing XSS risks, applying CSRF defenses, handling authentication state safely, and reviewing dependency risk.
Read each question carefully. Security mistakes often come from trusting data, browser behavior, or packages without checking the threat model.
You need to score 70% or higher to complete this lesson and finish the module. You can retake the quiz as many times as you like - your best score counts.