What is SQL Injection? Tutorial & Examples - PortSwigger
网页SQL injection (SQLi) is a web security vulnerability that allows an attacker to interfere with the queries that an application makes to its database. This can allow an attacker to view data that they are not normally able to retrieve.
什么是SQL注入（SQL injection）？如何防止SQL注入？ - 知乎
网页什么是SQL注入（SQL injection）？. 如何防止SQL注入？. 在本篇文章中，我们将解释什么是SQL注入，描述一些常见示例，解释如何发现各种SQL注入漏洞，并总结如何防止SQL注入。. 什么是SQL注入（SQLi）？. SQL注入是一种web安全漏洞，使攻击者干扰应用程序对其数 …
SQL Injection - W3Schools
网页SQL injection usually occurs when you ask a user for input, like their username/userid, and instead of a name/id, the user gives you an SQL statement that you will unknowingly run on your database. Look at the following example which creates a SELECT statement by adding a variable (txtUserId) to a select string.
SQL Injection - OWASP Foundation
网页A SQL injection attack consists of insertion or “injection” of a SQL query via the input data from the client to the application. A successful SQL injection exploit can read sensitive data from the database, modify database data (Insert/Update/Delete), execute administration operations on the database (such as shutdown the DBMS), recover ...
SQL injection - Wikipedia
网页In computing, SQL injection is a code injection technique used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution (e.g. to dump the database contents to the attacker).
SQL Injection - Understand and Prevent SQL Injection Attacks
网页A complete reference about SQL injection. Introduction, tutorial, advanced attack techniques, how to avoid it, resources and much more!
What is SQL Injection | SQLI Attack Example & Prevention …
网页2024年7月23日 · SQL injection, also known as SQLI, is a common attack vector that uses malicious SQL code for backend database manipulation to access information that was not intended to be displayed. This information may include any number of items, including sensitive company data, user lists or private customer details. The …
SQL注入 - 维基百科，自由的百科全书
网页SQL注入（英語： SQL injection ），也稱SQL隱碼或SQL注碼，是發生於應用程式與資料庫層的安全漏洞。 簡而言之，是在輸入的字串之中夾帶 SQL 指令，在設計不良的 程式 當中忽略了字元檢查，那麼這些夾帶進去的惡意指令就會被 資料庫 伺服器 誤認為是正常的SQL ...
What is SQL Injection (SQLi) and How to Prevent It - Acunetix
网页SQL Injection (SQLi) is a type of an injection attack that makes it possible to execute malicious SQL statements. These statements control a database server behind a web application. Attackers can use SQL Injection vulnerabilities to bypass …
安全测试 | SQL注入（SQL Injection）技术 - 知乎 - 知乎专栏
网页SQL注入漏洞主要形成的原因是在数据交互中， 前端的数据传入到后台处理时，没有做严格的判断，导致其传入的“数据”拼接到SQL语句中后，被当作SQL语句的一部分执行， 从而导致数据库受损（被脱裤、被删除、甚至整个服务器权限沦陷）。 在构建代码时，一般会从如下几个方面的策略来防止SQL注入漏洞： 对传进SQL语句里面的变量进行过滤，不允许危险字符传入. 使用参数化（Parameterized Query 或 Parameterized Statement） 还有就是， …