: An invariant logical statement that forces the database query clause to evaluate to true for every single record.
String query = "SELECT * FROM users WHERE username = ?"; PreparedStatement pstmt = connection.prepareStatement(query); pstmt.setString(1, userInput); // Safe parameterization ResultSet resultSet = pstmt.executeQuery(); Use code with caution. 2. Implement the Principle of Least Privilege Sql Injection Challenge 5 Security Shepherd
Whitelist allowable characters. If a username should only be alphanumeric, reject input containing ' , - , or spaces. : An invariant logical statement that forces the
: An invariant logical statement that forces the database query clause to evaluate to true for every single record.
String query = "SELECT * FROM users WHERE username = ?"; PreparedStatement pstmt = connection.prepareStatement(query); pstmt.setString(1, userInput); // Safe parameterization ResultSet resultSet = pstmt.executeQuery(); Use code with caution. 2. Implement the Principle of Least Privilege
Whitelist allowable characters. If a username should only be alphanumeric, reject input containing ' , - , or spaces.