Protect Your Website from Client-Side Maliciousness: Don't Let Hackers Win! In part 3 of our "Securing Your Website" series, we're diving into the client-side defenses against malicious user input. In part 1, we covered permissions and in part 2, how to handle user uploads on the server side. Now, let's focus on keeping your website safe from JavaScript injection attacks. Learn how to limit JavaScript injection in your webpage code using JavaScript itself, and discover why it's not foolproof. We'll also explore the importance of server-side filtering to catch any sneaky attempts that might slip through. But what happens when even these defenses fail? That's where Content Security Policy (CSP) comes in - a powerful tool to shield your website from script injection attacks. In this post, we'll delve into how CSP can be used to secure your website and prevent malicious scripts from executing on your site. We'll also explore the trade-offs of implementing strict CSP policies that might block essential third-party analytics, tracking, and ads. Don't miss out on the next step in securing your website - read on to learn more!