By Billy Hoffman

This e-book might be required examining for somebody who's constructing, operating with, or perhaps coping with an online software. the appliance does not also have to exploit Ajax. lots of the innovations during this ebook are safeguard practices for non-Ajax purposes which were prolonged and utilized to Ajax; now not the wrong way round. for instance, SQL injection assaults can exist even if an program makes use of Ajax or now not, yet Ajax offers an attacker different "entry issues" to attempt to assault your program. each one provider, strategy, and parameter is taken into account an access point.

The publication itself is easily written. the fashion of writing is enticing. the one non-exciting a part of the publication is the bankruptcy on shopper facet garage (i.e. cookies, Flash facts gadgets, neighborhood storage), yet this isn't the authors' fault. the subject itself is not intriguing and that i stumbled on myself analyzing it quick so i'll get to the following bankruptcy. the most attention-grabbing chapters is the only on JavaScript worms, just like the Samy bug. additionally attention-grabbing are the occasional mentions of experiences and discoveries within the safety neighborhood. for instance, the authors describe a proof-of-concept port scanner they wrote utilizing JavaScript on my own, which has the potential of scanning IP addresses and detecting the kind of net server they run (using the JS photograph object). one other attention-grabbing instance was once utilizing the :hover CSS type in addition to JavaScript to become aware of websites consumer has visited.

After analyzing this e-book, i'm discovering myself correcting safety blunders i'm basically recognize discovering in my tasks. a few corrections i have made problem JSON, the GET vs. put up factor, and others. With the corrections made, i think that my purposes are much more secure. This e-book helped make that occur.

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After a slight delay Eve gets back a series of flights. She flips over to the proxy and examines the Ajax request and response, as shown in Figure 2-4. net is using JavaScript Object Notation (JSON) as the data representation layer, which is a fairly common practice for Ajax applications. A quick Google search tells Eve that ATL and LAS are the airport codes for Atlanta and Las Vegas. The rest of the JSON array is easy to figure out: 2007-07-27 is a date and the 7 is how many days Eve wanted to stay in Las Vegas.

Even assuming that what she does tonight ever gets traced back to this coffee shop (which she doubts), the hacker wannabe in a Metallica t-shirt is the one people will remember. No one ever suspects Eve. And that’s the way she likes it. net. She read about the site in a news story on Ajaxian, a popular Ajax news site. Eve likes Web applications. The entire World Wide Web is her hunting ground. If she strikes out trying to hack one target Web site, she is just a Google search away from thousands more.

Because the getAccountBalance function does not require a corresponding password parameter for the username parameter, that information is available just by knowing the username. Worse, the debitAccount function works the same way. It would be possible to completely wipe out all of the money in any user’s account. The existence of a server API also increases the attack surface of the application. An application’s attack surface is defined as all of the areas of the application that an attacker could potentially penetrate.

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