Ajax requests suffer from the same Cross Site Request Forgery attack vectors as normal pages. Many developers assume that a given ajax request will only take place on their site, and therefor skip out on the security. Not true.
Google found out the hard way when security researcher Jeremiah Grossman uncovered a flaw in the way Gmail implemented its contact list ajax requests. When the browser loaded Gmail, it would make a request to Gmail and load a users contacts, among other things. Gmail returned the contacts as an array of JavaScript objects. Read more…
Bryan Migliorisi JavaScript, Web Security JavaScript, LinkedIn
HyperText Transfer Protocol, or HTTP, is the protocol of the web. It is what transports data from client to server and back. The HTTP specification defines several HTTP methods for transferring different types of data. Most of the methods defined are used for proxys and specialty applications. HTTP GET and POST are the two major methods in use on the web today. Read more…
Bryan Migliorisi Web Security
When writing a web application, many times developers will focus more on features and usability than anything else Security is often an afterthought. Usually, security is only a concern once a vulnerability has been not only discovered, but exploited. As developers, designers and software architects, we must ensure that the security of our application is rock solid straight from conception. This is often easier said than done. Read more…
Bryan Migliorisi Web Security introduction, web application security