--- title: Jericho's Cybersecurity Glossary | SQL Injection description: SQL injection is a type of web application attack where an attacker inserts malicious SQL statements into an input field, allowing them to execute unauthorized queries, manipulate databases, and gain access to sensitive information. image: //www.jerichosecurity.com/hubfs/assets/images/jericho-featured-image.jpg --- [![Jericho Security logo](https://www.jerichosecurity.com/hubfs/assets/images/Jericho-Security.svg)](https://www.jerichosecurity.com/) [![Jericho Security logo](https://www.jerichosecurity.com/hubfs/assets/images/Jericho-Security.svg)](https://www.jerichosecurity.com/) - Why Jericho Why choose Jericho Security? See what sets Jericho Security apart from the rest. 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[← back to glossary](https://www.jerichosecurity.com/glossary) # SQL Injection #### *Definition:* SQL injection is a type of web application attack where an attacker inserts malicious SQL statements into an input field, allowing them to execute unauthorized queries, manipulate databases, and gain access to sensitive information. #### *Use Cases:* - Used by attackers to steal data from databases, including usernames, passwords, and personal information. - Employed in attacks against vulnerable websites or applications that fail to properly sanitize user input. #### *Related Terms:* - Injection Attack - Web Application Firewall (WAF) - Data Breach - Input Validation #### *Questions and Answers:* - **How does an SQL injection attack work?**Attackers exploit vulnerabilities in web applications by inserting malicious SQL code into input fields, which is then executed by the server, allowing unauthorized access to the database. - **What are the consequences of an SQL injection attack?**Consequences include data theft, database manipulation, and potentially full compromise of the affected system. - **How can SQL injection attacks be prevented?**SQL injection attacks can be prevented by using input validation, parameterized queries, and web application firewalls to filter out malicious SQL code. 1. 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