how to defend against phishing

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[Web security practices] XSS

. Ii. XSS attacks Next, let's take a look at how XSS is attacked? At this time, the bricklayer came up with a saying: Know Yourself And know yourself and know what you want to do. We will not explain this attack in detail. After all, we want to talk about XSS defense. First, the bricklayer will introduce the following: XSS Playload is a malicious script used to complete various specific functions. At this time, I thought of an episode in the hacker spirit. The so-called "hacker" is not a real ha

20145234 Huangfei "network countermeasure technology" Experiment ix, Web security Basic Practice

cc_number field of 1111222233334444; 101 AND ((SELECT pin FROM pins WHERE cc_number=‘1111222233334444‘) >(或者to speculate, using the idea of binary, to determine the final answer2364 Blind String SQL injection: String blind injection, which requires finding the numeric value of the Pin field in a record in the pins table with a value of cc_number field of 4321432143214321. The Pin field type is varchar; This is the same as the previous question, guess the ASCII value, the a

20155236 Fanchen Song _web Security Basic Practice

is the account_number value after, then click on the right side of the add add (click to clear Clear All) In, select the type of number Payloads , then set the range of changes, and set the step size to 1, so that you can pinpoint the number of packet changes, so that we are able to confirm the location In Options , select Start attack start attack Find the location of packet size change 2364 , log in with 2364, success! Cross-site Scripting (XSS)

20154312 Zeng Lin EXP9 web Security Foundation

Directory-0.webgoat Could not find source file-1. Answers to basic questions-2. Environment configuration-3.injection Flaws----3.1.Numeric SQL Injection----3.2.Log Spoofing----3.3.XPATH Injection----3.4.String SQL Injection----3.5.lab:sql Injection----3.6.Database backdoors----3.7.Blind Numeric SQL Injection----3.8.Blind String SQL Injection-4.cross-site Scripting (XSS)----4.1.Phishing with XSS----4.2.Stored XSS Attacks----4.3.Reflected XSS Attacks-5.

20155331 Web Security Foundation practice of cyber confrontation

20155331 "Cyber Confrontation" EXP9 Web security basic experimental process WebgoatEnter Java-jar Webgoat-container-7.0.1-war-exec.jar in the terminal to turn on webgoat.Open the browser, enter localhost:8080/webgoat in the Address bar to open webgoat, use the default account password to log in.XSS attack phishing with XSS cross-site scripting phishing attackArbitrarily constructs the HTML content that the

#20155232 "Cyber Confrontation" EXP9 Web Security Foundation

-site Scripting Practice phishing with XSSThis is a cross-site scripting phishing attack that requires the use of XSS attack code in the search box and the ability to further add elements to existing pages using XSSCreate a form that allows the victim to fill in the user name and password in the created form, add a piece of JavaScript code, read the username and password entered by the victim, and send the

20155233 Liu Gaole EXP9 Web Security Basics

Wbgoat Inputjava -jar webgoat-container-7.1-exec.jar In browser input localhost:8080/WebGoat , go to WebGoat start experiment Cross-site Scripting (XSS) Exercise 1.Phishing with XSS (phishing) Enter the XSS attack code in the search box and use XSS to further add elements to existing pages. We first create a form that allows the victim to fill in the user name and password

20155324 The Web Security Foundation practice of network countermeasure technology

20155324 "Network countermeasure Technology" Web Security Foundation Practice Experiment ContentUse Webgoat for XSS attacks, CSRF attacks, SQL injectionExperimental question and answer SQL injection attack principle, how to defendThe ①sql injection attack is an attacker who adds additional SQL statements at the end of a predefined query in a Web application, takes SQL statements as user names, and then enters normal Web pages to obtain database information, eventually reaching a malicious SQL co

Web Application Firewall Overview

Careful friends should find that the 2010 security patches for various applications began to become more. In particular, Adobe patches, Adobe software security vulnerabilities in 2009 a large number of exposure, Adobe Software has become a new favorite hacker, the security of the people concerned, Adobe software companies have often launched patches in 2010 to fix various vulnerabilities in Adobereader or Acrobat software. In 2010 there is also a noteworthy security trend is the various types o

20155201 Network attack and Defense technology Experiment Nine web Security Foundation

20155201 Network attack and Defense technology Experiment Nine web Security Foundation One, the practice content The objective of this practice is to understand the basic principles of commonly used network attack techniques. Webgoat the experiment in practice. Ii. contents of the report: 1. Basic question answer 1) SQL injection attack principle, how to defend SQL injection means that the Web application does not judge the lega

Seven principles for defending against XSS

is outputting untrusted data, and that today's popular web frameworks, such as rails, are mostly HTML-encoded by default on untrusted data, to help us defend ourselves, And do we have to spend time with ourselves on how to defend against XSS? The answer is yes, for the non-trusted data that will be placed in the body of the HTML page, HTML encoding is sufficient to protect against XSS attacks, and even the

Network countermeasure technology 2017-2018-2 20155215 EXP9 Web Security Foundation

1. Pre-preparation of the practice process: WebGoatWebgoat is divided into simple version and Development Board, simple version is a Java jar package, only need to have a Java environment, we execute the command line java -jar webgoat-container-7.0.1-war-exec.jar run Webgoat:Webgoat uses 8080 port, so enter the URL on the browser http://localhost:8080/WebGoat open the login screenBecause I use 7.1, so there is a default account, 8.0 of the here can apply for an account.Practice content: Cross-si

Explanation of the causes of increasingly serious WEB Application Security Problems

security vendors and security experts, the vast majority of network users are scrambling to apply various security products to their respective PCs, there are several other installation methods, which may be less secure, and the system and software are updated every day as required. However, even if network users apply a variety of security solutions to their PCs as required, during the WEB application process, all kinds of network security events are still happening on your own, and even becom

How to Protect Mac computers in Enterprises

If you have consulted with computer security experts, you may think that they seem a bit paranoid about security issues, but this is not a good thing. Paranoia is an important part of effective security protection. On the contrary, the lack of paranoia is a dangerous factor, especially in the security of corporate Mac computers. Mac OS X has won a good reputation in terms of security, especially compared with Windows, it is more secure. The main reason for this is that there are relatively few v

Golden Hill Poison Bully net buy bodyguard function

Nowadays, the net buys a clan very possibly carelessly, falls into each kind of net buys a trap. From the network to buy goods "physical map" of the network to buy Trojans, to only and "Taobao" such as online shopping site A word of the difference of the phishing website, and then to the moment staring at your network Silver Password Keyboard record wizard, lifelike Shanzhai bank site, they are always lurking in your surroundings. According to the Jin

How to safely use e-mail

Although the use of e-mail is almost universal, not everyone knows how to use it correctly. The following instructions will cover mail viruses, spam, phishing protection, messaging etiquette, and how to handle attachments. These can help you defend your business interests and help your users learn how to operate your messages securely and reliably. Nowadays, e-mail is an indispensable tool in people's work.

Common Web security Vulnerabilities _ Security

. These examples of code is my beginner JSP, but also many people in the beginning to learn JSP easy to write the problem code. The code does not seem to have any problems, but there are often huge vulnerabilities. The example, though simple, is very illustrative. The article will use 6 examples to describe 6 Web attack methods and principles, as well as what the programmer needs to be easy to defend. You can view the effects from the picture introduc

Web Security Fundamentals

Web Security Foundation-based questions answered1.SQL injection attack principle, how to defend?The SQL injection attack refers to the introduction of a special input as a parameter to the Web application, which is mostly a combination of SQL syntax, the execution of SQL statements to perform the actions of the attacker, the main reason is that the program does not carefully filter the user input data, resulting in illegal data intrusion system.Defens

20155227 "Cyber Confrontation" EXP9 Web Security Foundation Practice

20155227 "Cyber Confrontation" EXP9 Web Security Foundation Practice Experiment Content About Webgoat Cross-site Scripting (XSS) Exercise Injection flaws Practice CSRF attack Basic question Answer SQL injection attack principle, how to defend? 原理:SQL注入攻击指的是通过构建特殊的输入作为参数传入Web应用程序,而这些输入大都是SQL语法里的一些组合,通过执行SQL语句进而执行攻击者所要的操作,使非法数据侵入系统。防御:1.对用户的输入进行校验,可以通过正则表达式,双"-"进行转换等。2.不要使用动态拼装sql,可以使用参数化的sql或者直接使用存储过程进行数据查询存取。3.不

Network attack technology (2) -- Cross-site scripting

1.1.1 Summary In the first blog of this series, I introduced common SQL Injection attacks and defense technologies. This vulnerability can cause some very serious consequences, but fortunately we can prevent SQL Injection by limiting the permissions of user databases, using parameterized SQL statements, or using ORM and other technologies, next we will introduce you to Cross-site scripting (XSS ). Definition: Cross-site scripting (XSS) is a computer security vulnerability that often appears in W

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