#holehe

An email address looks like a single string. To a working OSINT operator, it's a key that unlocks a phone number's last two digits, a Google review trail, three breached passwords, a GitHub commit signed with a real name, and a Skype handle the target forgot they ever had. PERSINT email investigation is the discipline …

People rotate phones. They scrub their Facebook. They burn email addresses every six months. The one thing they almost never change is the handle they picked at 14. That handle is still on their Steam profile, their abandoned LiveJournal, the GitHub repo they started in college, and the forum where they argued about Wa…