Oh my, two posts where Google Dorking and #OSINT have found their way into posts. :) Love it!!! DefCon funzies abound on HN today.
https://www.simplilearn.com/tutorials/cyber-security-tutoria...
Search Engine - "Google Dorking" like inurl: intitle: intext: etc.
Also, google dorking has its "darkweb" side in forensics too. Enjoy.