Union All Select 34# | -1697

: Ensure that if a field expects a number, it only receives a number.

: This is the most effective defense.

To prevent these types of attacks, developers should never insert user input directly into SQL queries. Instead, you should use: -1697 UNION ALL SELECT 34#

: These can block common "UNION ALL" patterns before they ever reach your database. : Ensure that if a field expects a