As more and more services get digital these days, security has become a major aspect of every application. Especially when it comes to third-party code, it is really difficult to guarantee safety. But in general, XSS and Code Injection are a major problem these days.
Content Security Policy provides another layer of security that helps to detect and protect against different attacks. In this talk, I will introduce this concept and its main features, as well as show good and bad example usages.