SQL injection cheat sheet: 8 best practices to prevent SQL injection attacks
SQL injection is one of the most dangerous vulnerabilities for online applications. It occurs when a user adds untrusted data to a database query. For instance, when filling in a web form. If SQL injection is possible, smart attackers can create user input to steal valuable data, bypass authentication, or corrupt the records in your database. There are different types of SQL injection attacks, but in general, they all have a similar cause.