Usernames, the missing piece - The OSINT Jigsaw Puzzle presented at BSidesLondon 2019

by Simon Hall,

Summary : There are often debates around usernames and how they should be assumed public knowledge, leading to issues surrounding the disclosure of usernames being classified as a low or information risk. What are the risks of exposing a username? Should username recycling like passwords be classed as a genuine risk? This talk will walk through the risks associated to having a shared unique username across multiple services, the importance of usernames in OSINT.