-9718 Union All Select 34,34,34,34,34,34,34,34,34,34# [100% HOT]

: This SQL operator combines the result sets of two or more SELECT statements into a single result.

: The repeated "34" is used to determine the number of columns required by the original query. If the number of values (in this case, ten) doesn't match the original table's columns, the database will return an error. -9718 UNION ALL SELECT 34,34,34,34,34,34,34,34,34,34#

: This likely represents a dummy or non-existent ID. By using an ID that doesn't exist, the attacker ensures the first part of the query returns no results, making the "injected" results from the second part more visible. : This SQL operator combines the result sets

This pattern is often the "reconnaissance" phase of an attack. Once an attacker knows how many columns a table has and which ones are displayed on the screen, they can replace the dummy numbers with commands to extract sensitive data, such as usernames, passwords, or system configurations. How to Prevent These Attacks To protect your applications, developers should: : This likely represents a dummy or non-existent ID

: Filter and sanitize all user-provided data to block unexpected characters like UNION , SELECT , or # .

: Ensure the database user account has the bare minimum permissions necessary to function.