owasp web security

a page in the same session and destroyed when the session ends. So Sessionstorage is not a persistent local store, only session-level storage. localstorage is used for persistent local storage, and the data is never expired unless the data is actively deleted. Advantage:q storage space: storage space Larger : each individual storage space under IE8 is 10M, and other browsers are slightly different, but much larger than cookies . q server: The stored content is not sent to the server: When s

Web Security Technology (2)-Security OverviewI. Security elements the core issue of information security is to ensure that legal users of data can obtain confidential data that has not been illegally modified when they need it. It has the following elements:ConfidentialityEn

Busy to sort out a list of web-safe learning. This is a plan for self-study, but also for you to the same distress how to enter the door of the web security of the compatriots a reference proposal. PS: The following represents a personal view only. Primary Learning -------------------------------------------- 1.OWSP TOP 10 Learn the basics of this TOP10---google,

that cannot be Defended. Picture Horse + parsing vulnerability, or picture horse + contains Vulnerability.4. picture two times rendering　　　Through the Imagecreatefromjpeg () function of the GD library, we can wash out a word trojan in the file, or malicious code. Ensure that the file binary stream does not contain malicious code. This has a very good defensive effect on parsing vulnerabilities or including vulnerabilities.5. do not limit upload overwrite. htacess file　　　If you do not limit uplo

After several successful Silverlight project calls to Web service, the following error occurs: "system. Security. securityexception: security error", as shown in: Because I have only learned and tested the Silverlight functions in the past few days, and I have not made any formal projects, so I will re-build a project every time I see this. Today I am really

Statement: I am not very familiar with this part. The solution proposed here is just an idea of my younger brother. I hope experts from all parties can help me identify the problem. Difficulties: In normal times, web applications and websites generally have the user login function. Therefore, the logon password must be involved. How can we ensure that the user's password will not be obtained by third-party attackers? There must be more ways t

Before reading this chapter, let's take a look at the browser security-related content that I have learned. The first is the same-origin policy. Before learning about Web security, I may be more concerned about how to implement cross-origin requests. Before that, I have summarized how to implement cross-origin in JavaScript, I do not know whether there is a vulne

20155232 "Cyber Confrontation" EXP9 Web Security FoundationThe objective of this practice is to understand the basic principles of commonly used network attack techniques. Webgoat the experiment in practice.Experimental process WebgoatWebgoat is a web-based vulnerability experiment developed by the OWASP organization,

Web Security (1): cross-site scripting (XSS) and security-related xss IntroductionCross-Site Scripting (XSS) attacks are not abbreviated to Cascading Style Sheet (CSS). Therefore, XSS attacks are abbreviated to Cross-Site Scripting (XSS) attacks. A malicious attacker inserts malicious Script code into a Web page. When

1. New tags in xss NBSP;H5 define class many new tags, new events may bring XSS (to study the changes in XSS attack H5 set up a Project----HTML 5 Security cheatsheet) eg: 1) White hat speaks Web security sixth Chapter HTML 5 Security

: Filter the required parameters before the form submission or URL parameters are passed, and check the contents of user input for illegal content, such as angle brackets, quotation marks, etc., and strictly control the output. (3) CSRF attack principle, how to defend? CSRF attack is a cross-site forgery attack, as the name implies, is an attacker to the target site to inject a malicious URL cross-site address, when the user clicked on the URL, you can do something users do not wan

amount of system information and even provide methods to directly access Web service data without authentication, becoming an effective source of intelligence for malicious users to analyze and attack Web servers. In addition, the existence of these files also implies that the website has potential security vulnerabilities.3) Search for the Administrator Logon p

Web Security (4): Over-Posting and security-related posting Introduction Too many posts are relatively simple. Therefore, I only want to translate some key information in the original article. The original Article link is as follows: Http://www.asp.net/mvc/overview/getting-started/getting-started-with-ef-using-mvc/implementing-basic-crud-functionality-with-the-en

After several successful Silverlight project calls to Web service, the following error occurs: "system. Security. securityexception: security error", as shown in: Because I have only learned and tested the Silverlight functions in the past few days, and I have not made any formal projects, so I will re-build a project every time I see this. Today I am really

to intercept password, you can get his plaintext password. In addition about the invasion of personal computers, which have to combine some social engineering, the story at the beginning of the article is a good example, the means of a variety, before a piece said, a hacker in order to invade a business, spent 2000 dollars to call a young lady dedicated to accompany the target company's network administrator Luo chat, Through the young lady sent a Trojan to the administrator, successfully invad

Course Overview:Lofty high-rise floor, building can cover how tall, mainly to see the foundation dozen good. Learning any knowledge is the same, playing a good foundation is the key, through this lesson, you will learn some common web vulnerabilities, as well as the principle and harm of these vulnerabilities, lay a good foundation for the rear building of high-rise buildings ready.Course Outline:Chapter I. Ubiquitous

) of the database, 3 shields the database service port on the firewall, and 4 guarantees that the SA password is not empty. In addition, the installation of anti-virus software on Windows Server is absolutely necessary, and to constantly update the virus library, regularly run anti-virus software killing virus. Do not run unnecessary services, especially IIS, and do not install them if you do not need them. There are a number of problems with IIS, some of which are worth noting when configure

20155323 Liu Willang "Cyber Confrontation" EXP9 Web Security Foundation Practical purposeUnderstand the fundamentals of commonly used network attack techniques.Practice ContentWebgoat the experiment in practice.The practice process opens webgoat Webgoat is a flawed Java EE Web application maintained by owasp,

PS: I was twice doing this experiment, the second experiment when the computer out a little problem stalled ... originally, There is a picture of the results of the blog did not save the diagram ... WebGoat Webgoat is a flawed Java EE Web application maintained by the famous owasp, which is not a bug in the program, but is deliberately designed to teach Web