How this Email OSINT works ?????
Hey folks!
Recently I came across a website called BehindTheEmail and honestly the results shocked me. I tested it with a few emails and it was able to accurately identify accounts connected to those emails across platforms like GitHub, LinkedIn, Microsoft, Spotify, Duolingo, and others.
What surprised me most is that some of the emails had no obvious usernames or personal names in them, yet the matches still seemed very accurate. It didn’t feel like simple username guessing at all.
I’ve been trying to understand how something like this actually works behind the scenes. I know basic OSINT methods like username correlation, public profile scraping, breach data, etc., but this felt much more advanced and precise than typical tools.
Does anyone here have technical insight into how platforms like this operate?
I’m especially curious how they reliably correlate accounts like LinkedIn, Microsoft, or Google accounts from just an email input.
Would love to hear thoughts from people experienced in OSINT, threat intel, or identity correlation systems because this genuinely impressed me.