Select Null# - {keyword}') Union All

Explain that databases are the backbone of modern web applications, making them a primary target for cyberattacks.

State that this paper specifically examines the mechanics and defense of the exact payload you provided: ') UNION ALL SELECT NULL#: . 2. Anatomy of the Payload {KEYWORD}') UNION ALL SELECT NULL#

This tells the database interpreter to ignore the rest of the original, legitimate query that follows the injection point. 3. Exploitation Mechanics Explain that databases are the backbone of modern

Enforcing strict allow-lists for inputs to ensure no special characters (like quotes or hashtags) can manipulate the query logic. {KEYWORD}') UNION ALL SELECT NULL#

Ensuring the database user account used by the web application does not have administrative rights to access sensitive system tables. 5. Conclusion