Join Kevin Skoglund for an in-depth discussion in this video Validating input, part of Foundations of Programming: Web Security.
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…In this movie, we'll discuss how to validate input.…To describe it less formally, when we talk about validating input, what…we're saying is pay attention to what's walking right through your front door.…This should be your first step in securing any site.…It's not about skilled hackers trying to get through the…back door or attempting to use the zero to exploit.…It's about information coming in through…well-known visible pathways into your web application.…It's like the security screening at the airport.…You try to stop problems at the gate before they can get inside.…You let good data through, and you keep bad data out.…
Another way of phrasing it is that…validating data is asking, is the input acceptable?…Do you want to want to accept this, or should I reject it?…To do that, you'll have to determine your data expectations.…What would qualify as being acceptable data,…and what qualifies as being unacceptable data?…It will be different for every website and…every application that you work on.…When we ask this question, we're trying to prevent…
This course is great for developers who want to secure their client's websites, and for anyone else who wants to learn more about web security.
- Why security matters
- What is a hacker?
- How to write a security policy
- Cross-site scripting (XSS)
- Cross-site request forgery (CSRF)
- SQL injection
- Session hijacking and fixation
- Passwords and encryption
- Secure credit card payments
Skill Level Beginner
1. Security Overview
2. General Security Principles
3. Filtering Input, Controlling Output
4. The Most Common Attacks
5. Encryption and User Authentication
6. Other Areas of Concern
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