NovoGeek's Blog (Archive)

Technical insights of a web geek

Presentation on HTML5 Security, Part-2 - OWASP Hyd

In continuation my previous talk on HTML5 Security at OWASP Hyd, I have covered few more interesting concepts at OWASP Hyd August meet. Slides are more or less the same as my previous session but it was more demo driven where I've shown known security problems and secure coding practi... [More]

A note on JSONP & misconceptions of Cross Origin AJAX

Web developers who have worked on accessing APIs using JavaScript would be very much familiar with the term “JSONP”. Many web devs whom I have met offline or in online discussion forums seem to have some misconceptions about JSONP. Below are some of the basic & common definitions whi... [More]

HTML5 Sandbox and some notes

While building mashups, one of the primary goals is to securely isolate content coming from different origins. Generally, client side mashups are built in one of the two ways-(1) Embedding third party scripts in a web page (2) Loading remote content via iframes. Embedding scripts provides more inter... [More]

Presentation on HTML5 Security-OWASP Hyderabad

Happy to say that I had the opportunity to present at OWASP Hyderabad chapter on "HTML5 Security" on 19th May, 2012. The event had awesome audience from diverse backgrounds in security domain-security researchers, penetration testers, security consultants, few developers etc. The talk went for about... [More]

The need for HTML5 postMessage API

The postMessage API in HTML5 specification is useful for making cross domain calls across frames. This is typically useful for mashups, Web 2.0 sites (e.g., pageflakes.com) where different widgets might need to communicate with each other. Few developers have already started using HTML5 postMessa... [More]

Create your own web based slide shows in ECMAScript 5

Web based slide shows (built using HTML, JS, CSS) have always been my choice and I use them most of the times in my presentations. This post explains how you can create your own web based slide show from scratch, using ECMAScript 5 (ES5). In fact, this is the code walkthrough o... [More]

TechEd on the road-new features in ECMAScript 5

Happy to say that today I have presented at "TechEd on the road", a developer conference at Microsoft Hyderabad, on "JavaScript APIs and enhancements in ECMAScript 5". It is one of the premier tech events, organized by Microsoft User Group Hyderabad (MUGH) with audience in ... [More]