Home » Author Archives: Advait Trivedi

Author Archives: Advait Trivedi

Mapreduce in Java8

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Wordcount is to Mapreduce what “Hello world” is for rest of the programming world. Recently I have been exploring some of the more prominent Java 8’s features like Lambda, Streams and Optionals, so I thought it’d be nice to do a simplified version of Wordcount in Java. Java’s Stream and Lambda functions makes it really easy and concise to implement ...

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Cross Site Scripting (XSS) and prevention

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Variants of Cross site scripting (XSS) attacks are almost limitless as mentioned on the OWASP site (https://www.owasp.org/index.php/Cross-site_Scripting_(XSS)). Here I propose to use a Servlet Filter based solution for sanitization of HTTP Request. The attack Lets see how an XSS attack manifests itself. Attached is an over simplified portlet which shows a scenario which is very common in social and collaboration ...

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