For an attacker, it's a treasure map. For a defender, it's a warning siren.
Google returns 50+ results, mostly small to medium e-commerce sites running poorly maintained PHP scripts. The attacker clicks on one result: https://example-shop.com/index.php?id=1
If your website appears in such a search, do not panic. Immediately patch SQL injection vulnerabilities, remove leftover install scripts, and block indexing of dynamic URLs. Then, implement a formal security maintenance schedule.
If you see results similar to the dork, your site is indexed in a way that could attract attackers. Open your browser and navigate to: https://yourdomain.com/index.php?id=1'
One such query that frequently appears in hacker forums, penetration testing guides, and security audits is:
The internet is a hostile environment, and Google is the ultimate reconnaissance tool. The question is not whether hackers are looking for your index.php?id=1 ; they are. The question is: will they find an open door or a solid wall?