{keyword}' And 65=65 And 'ztmv'='ztmv File

: Only allow expected characters (e.g., numbers only for an ID field).

: Use parameterized queries so the database treats input as data, not code. {KEYWORD}' AND 65=65 AND 'ztMV'='ztMV

: Attackers input malicious SQL code into form fields or URL parameters. If the application doesn't "sanitize" this input, the database executes it as a command. : Only allow expected characters (e

SQL Injection is a vulnerability where an attacker interferes with the queries an application makes to its database. If the application doesn't "sanitize" this input, the

: Phrases like AND 1=1 or AND 65=65 are "tautologies" (statements that are always true). Attackers use them to test if a database is vulnerable; if the page loads normally with a true statement but fails with a false one (like 65=66 ), the site is likely exploitable. Prevention :

However, if your intent was to learn about or Web Security Testing , I can certainly put together a guide on that. Quick Guide to SQL Injection (SQLi) Basics

: Ensure the database user account only has the permissions it absolutely needs.