A SQL Injection (SQLi) attack is one of the most common and damaging web security vulnerabilities. It occurs when an attacker interferes with the queries that an application makes to its database. By inserting malicious SQL code into input fields, attackers can trick the system into executing unintended commands, often leading to unauthorized access to sensitive data. How It Works
Using "allow-lists" to ensure input matches expected patterns (e.g., an age field only accepts numbers). What is a SQL Injection Attack?
Because '1'='1' is always true, the database may bypass the password check and grant the attacker access to the first user account in the table (usually the administrator). Common Types of SQL Injection A SQL Injection (SQLi) attack is one of
Consider a simple login query: SELECT * FROM users WHERE username = 'user_input' AND password = 'password_input'; How It Works Using "allow-lists" to ensure input