December 2011
Beginner
384 pages
9h 38m
English
Content preview from Web Application Security, A Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Input Validation
If there is one overarching, primary security principle, it is this: Never Trust the User. In fact, we should write it like this:
NEVER TRUST THE USER
We understand that taking this viewpoint may seem overly negative or pessimistic. After all, our users are the reason that we create products and services in the first place. It almost seems disloyal not to trust them, as if we’re an overly suspicious shopkeeper who plasters “Camera Surveillance 24/7” and “Shoplifters Will Be Prosecuted to the Full Extent of the Law” signs all over his store and keeps an eagle eye on anyone who walks in his door. And what makes matters even worse is that we want—actually, we need—our users to trust us. We ask a lot from them. We ask them for their ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.