When building web applications, you might often want to control the frequency of user requests to prevent malicious attacks. In other words, you might want to limit the number of requests coming from an IP address during a short timespan to mitigate denial-of-service attacks. …

Overview This is an abstraction of a real life business problem that I faced at work. For the purpose of this discussion we will talk in terms of a fictious company called Contoso. The company Contoso has a Trading system which captures trading volumes for every stock position on an hourly…

How to Choose Between Cookies and Tokens in Web Authentication. — With the increasing number of threats, the stability of the authentication mechanism has become vital for all applications. However, choosing one isn’t easy since there are many methods with different capabilities. So, in this article, I will discuss the features, pros, cons and compare token-based authentication vs. cookie-based authentication to…