The Java Hacker – Peter Jaric's Blog
CloudFlare is a service that sits between the Internet and its customers’ web servers, protecting them and speeding them up. When I was visiting the web site of one of these customers I noticed something strange. The page was fetching […]
5 months ago I discovered that the Swedish telecom operator Halebop (a TeliaSonera operated brand) had a big problem in its support chat. After ending a support session, the customer could access the log of the session for later reference […]
A while ago I asked myself: who uses alert() for anything but debugging in web applications nowadays? It didn’t take long to go from that question to the idea that I should make something that uses only native dialogs, just […]
I find it quite fun to look for vulnerabilities in websites and then report them (to hopefully gain a bug bounty or at least a place on a Hall of Fame list). One place to find interesting stuff is in […]
Solr is an open source search platform built by the Apache project. You can read more about it at the Solr site, but I’ll go straight to the point. Quite a few sites has based their search functionality on Solr […]
A little while ago I made a bookmarklet called the Sea Surfer for detecting and exploting CSRF vulnerabilities. Since then I have got some feedback from Ashar Javed which has prompted me to create a slightly improved version. Sea Surfer […]
Lately I have taken an interest in web application security, as covered by OWASP. One common vulnerability in web applications is to be sensitive to CSRF attacks. I have made a small tool in the form of a bookmarklet to […]
I often draw something when I attend meetings at work. It helps me concentrate and it’s fun. I’ll upload some of these drawings here. Here’s the first one:
Yesterday, I wrote a JavaScript function that returned another function. At one place I wanted to call the returned function immediately, resulting in code looking somewhat like this: When seeing that code, I asked myself: would it be possible to […]
The company Citerus held a programming competition at the JFokus 2011 developer conference. I was one of the more than 100 contestants. Read more about it at http://www.citerus.se/post/vinnare (in Swedish). I have included both the winning solution from Carin Lidberg […]