{keyword}' And (select Chr(86)||chr(76)||chr(79)||chr(118) From Sysibm.sysdummy1)=chr(86)||chr(76)||chr(79)||chr(118) And — 'nbzx'='nbzx

The string you've provided seems to be an example of such an attack:

KEYWORD AND (SELECT CHR(86)||CHR(76)||CHR(79)||CHR(118) FROM SYSIBM.SYSDUMMY1)=CHR(86)||CHR(76)||CHR(79)||CHR(118) AND 'nbzX'='nbzX The string you've provided seems to be an

String query = "SELECT * FROM users WHERE name = ? AND password = ?"; PreparedStatement statement = connection.prepareStatement(query); statement.setString(1, userInputName); statement.setString(2, userInputPassword); ResultSet results = statement.executeQuery(); This approach prevents the injection of malicious SQL by treating all user input as data, not as part of the SQL command. ResultSet results = statement.executeQuery()