SQL injection refers to the malicious injection of unvalidated user inputs into SQL query statements. This tampers with the intended logic of database access code to extract unauthorized data. Web applications take user inputs through forms, URL parameters etc. These values get concatenated into queries generated at runtime to retrieve info ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.