Sometimes it's really difficult and time consuming to find a way to report a security vulnerability. But there is a very simple solution for that.

No one can see what you are shopping online, right?

Let me spell out why you should care that I recently so easily found 13 security vulnerabilities.

This one my of my regrets. This is one of those cases I should have told the world about. But now it's such a long time ago that naming anyone won't do any good.

I created a "hackable" web app for a presentation I gave about web app security. Now you can try it out yourself.

Learn how to reverse engineer Android apps, alter them, and put them back together. No root needed.

Gator Watch had a complete lack of security which made it possible to track kids all over the world and listen to private voice messages. This is supposedly fixed, at least in Norway. But is it really?

Information about thousands - theoretically maybe hundreds of thousands - of customers could be stolen.

Information about as many as maybe 1.5 million past, current and future hotel stays were openly accessible on the Internet.