How Lookalike Usernames Use Typos, Homoglyphs and Suffixes
Typos, swapped letters, homoglyphs and suffixes like support or official. How lookalike handles fool a quick glance and how to list and monitor the variants of your brand.
7 min read
blog / guides and field notes
Username lookup guides
Practical guides on username lookup, handle availability, brand impersonation, fraud signals and responsible OSINT from the UsernameLookup team.
OSINT Username Search Done Responsibly With Public Data and Clear Limits
Public data, a clear purpose, minimal collection and a firm line against tracking private people. A working method for username OSINT that stays defensible.
7 min read
Reverse Username Lookup for Fraud Teams and Signup Risk Scoring
The public footprint behind a signup username is a quiet, low-friction risk signal. Here is how fraud teams calibrate it, call it at signup and keep it fair.
7 min read
How Fake Support Accounts Impersonate Brands and How to Detect Them
Fake support profiles reply to angry customers and pull them into private messages. Learn the playbook, the warning signs and a detection routine any brand team can run.
7 min read
How to Secure a Brand Handle on 50 Platforms Before Launch
Check the name everywhere at once, register it on the same day, lock down the accounts you will not use yet and keep watching for lookalikes after the announcement.
7 min read
How to Find Social Media Accounts by Username, and What a Lookup Cannot Tell You
A username lookup checks the public profile address of a handle on hundreds of sites. Here is how it works, how to confirm two accounts belong to one person and where the limits ar...
7 min read