Read e-book online Hacking Exposed Web 2.0: Web 2.0 Security Secrets and PDF

By Rich Cannings

ISBN-10: 0071494618

ISBN-13: 9780071494618

Safeguard your net 2.0 structure opposed to the most recent wave of cybercrime utilizing professional strategies from net safety pros. Hacking uncovered net 2.0 indicates how hackers practice reconnaissance, pick out their access aspect, and assault internet 2.0 - established companies, and divulges particular countermeasures and security innovations. you will the best way to keep away from injection and buffer overflow assaults, repair browser and plug-in flaws, and safe AJAX, Flash, and XML-driven functions. Real-world case stories illustrate social networking web site weaknesses, cross-site assault equipment, migration vulnerabilities, and IE shortcomings.

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Extra resources for Hacking Exposed Web 2.0: Web 2.0 Security Secrets and Solutions

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Callback=callback Function. info Chapter 2: Cross-Site Scripting seconds—a generous amount of time for the browser to make the request to somesite. com. domain for other purposes. What Happens if the Same Origin Policy Is Broken? The same origin policy ensures that an “evil” web site cannot access other web sites, but what if the same origin policy was broken or not there at all? What could an attacker do? Let’s consider one hypothetical example. html. Then the attacker would be able to read the contacts of the lured users.

Consider, for example, a simple web application that requires user authentication. Assume that this application presents a login screen asking for a username and password. The user sends the username and password over some HTTP request, whereby the web application checks the username and password against a list of acceptable usernames and passwords. Such a list is usually a database table within an SQL database. A developer can create this list using the following SQL statement: CREATE TABLE user_table ( id INTEGER PRIMARY KEY, username VARCHAR(32), password VARCHAR(41) ); This SQL code creates a table with three columns.

The name cross-site scripting is derived from the fact that one web site (or person) can inject script of their choosing across security boundaries to a different and vulnerable web site. XSS is a type of injection attack, but rather than the attacker directly performing the injection, the attacker must lure the victim to perform the injection. WEB BROWSER SECURITY MODELS A variety of security controls are placed in web browsers. The key to hacking web applications is to find a problem in one of the browser security controls or circumvent one of the controls.

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Hacking Exposed Web 2.0: Web 2.0 Security Secrets and Solutions by Rich Cannings


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