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XSS attack, how to Defend Principle: The main purpose of XSS attack is to find a way to obtain the target attack website cookie, because the cookie is equivalent to seesion, with this information can be in any PC can access the Internet access to the website, and the other People's Health landing, do some damage. Defense: When a malicious code value is displayed as the content of a tag: HTML tags and some special characte
Web security practice (4) c # simple http programming exampleFor http programming, we can follow the http protocol in Socket mode. For http programming, Microsoft provides encapsulated classes such as WebRequest, WebResponse, HttpWebRequest, and HttpWebResponse, for more information about these classes, see other articles in the blog. I will only briefly introduc
Basic questions answer the principle of SQL injection attack, how to defend:Some programmers in the writing code, the user does not judge the legality of input data, hackers use this bug in the data input area maliciously fill in the script, when the data is sent back to the background, the hacker fills in the script statement is run, so that the hacker can do the background cooked to operate;When writing code, programmers must remember to judge the legality of user input data. Place the databas
some assets and even endanger the information system, it may also lead to economic benefits, market share, or loss of organizational image. The asset assignment in the OSSIM system is shown in. After assigning values to assets, we can easily filter out important assets among the numerous assets. 4. Reasonably group assets Asset groups are used to precisely manage assets. 5. Risk Analysis 5.1 Risk Calculation
[Best Practice series] PHP Security three axes: escape for filtering, verification, and escaping Blade template engine exploring PHP escape implementation When rendering the output into a webpage or API response, it must be escaped. this is also a protection measure to avoid rendering malicious code and XSS attacks, it also prevents application users from inadvertently executing malicious code. We can use
script in the user's browser to obtain information such as its cookie. Instead, CSRF is borrowing the user's identity to send a request to Web server because the request is not intended by the user, so it is called "cross-site request forgery". For the defense of CSRF can also start from the following aspects: through the Referer, token or verification code to detect user submissions; Try not to expose the user's privacy
people. If you do not pay attention to the implementation of the information security management system, developing and improving the system, building more firewalls, and researching advanced network security technologies will become the ears of the deaf. Therefore, we should not only work hard to establish an information
aggregation and reasoning: when data is on the cloud, new data aggregation and reasoning concerns may result in violations of the confidentiality of sensitive and confidential data. Therefore, in practice, the interests of data owners and data stakeholders should be guaranteed to avoid any, even slight, leakage of data when data is mixed and aggregated (for example, medical data with names and medical information
, "Practice drills. After all, penetration enters the network from a place you do not know. It is difficult to make sure that the penetration is controllable. In addition to the final report, do you know anything else? Leaders must have concerns. 4. The tangle of the penetration. Penetration is to verify the defects of the user's defense system. After each penetration service, the system notifies the user of the discovered vulnerabilities. Of course,
linksNoV. Lessons learned and deficiencies Personal Harvest Have mastered some basic skills: Markdown tools; Youdao Cloud notes, cloud Collaboration group; The use of experimental building and other online experimental platform; Blog Park discussion platform utilization; Develop the habit of punching the scallops; ia32, y86 instruction set; Introduction to memory hierarchy and caching
divided into under-class testing and practical workBack to CatalogCourse Basics Read "Learning with a blog park" and build a personal technology blog Follow the class blog "2018-2019-1 Information Security Professional Introduction (Beijing Electronic Technology Institute)". Read "Using Open source Chinese managed code" and finish your homework (learn Python by yourself). Textbook Lear
is a finer-grained network isolation technique that is designed to block the horizontal translation (or move) of an attack after it enters the corporate network. Flow visibility technology enables security operations and managers to see the flow of internal network information, enabling micro-isolation to better set policies and assist in rectifying corrections. In addition, some vendors provide traffic en
application crashes, and does not cause other application exceptions Code vulnerability Root risk The security mechanism is not sound User Safety Awareness Android Development principles and security A few points in the book, I believe we are all familiar with, so do not explain Here's a personal bl
Reading Notes Link Summary [First week's reading notes] Information security system design basics first week study summary [Second week's reading notes] Information security system Design Fundamentals second week study summary [Third week reading Notes] Inform
20145326 Cai "The foundation of Information Security system Design" Summary of weekly job links No. 0 Week Assignment Brief content: Preliminary reading of the textbook, ask questions, learn how to use virtual machine VirtualBox and successfully install Ubantu, preview the basics of Linux, read the teacher's recommended blog and write their own feelings. Two-dimensional code:
C99, compile is to use the GCC-STD=C99P39: complement of the use of the length of the register is a fixed feature to simplify the mathematical operation. Think of clocks, 12-1 is equivalent to 12 + 11, the use of complement can be used to unify mathematical operations into addition, as long as an adder can achieve all the mathematical operations. P44: Note The conversion rules for signed and unsigned numbers in C, and the bit vectors do not change. Think of the message in Chapter one is "bit +
...The theoretical practice has been done, a few time is not enough.The content of the basic is those, the reverse side of a lot (estimated to be about 1/4 of the total), the group did not reverse the inevitable tragedy. There's going to be a Linux in the group--The game is not only the theory of technology 、、、 also conscious thinking. You see the question and answer to know.There will be a small monitoring software at the start of the game, Linux wi
Beijing Institute of Electronic Technology (BESTI)Real Inspection report Course: Information Security design System Basic class: 1352Name: Wanzihui HuangStudy No.: 20135214 20135227Score: Instructor: Lou Jia Peng Experimental Date: 2015.11.16Experiment level: Preview degree: Experiment time: 15:30~18:00Instrument Group: 01 Compulsory/Elective: Compulsory experiment serial number: fourExperiment Name: Pe
). Determine the current status of the project progress; Exert influence on the factors causing the change of schedule; To ascertain whether progress has changed; Manage the actual changes as they occur. II. Security management of information systems1 and technologies to achieve the confidentiality of information; Network
The Java language has three main features: platform independence, network mobility and security, while the Java architecture provides strong support and assurance for these three features, and this article focuses on the principles and usage of Java architecture to support information security. Java architecture The
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