Forbes reported that Steam sales constituted 50–70% of the US$4 billion market
Scammers on steam
Middleman
Web Based Scam
Referral based scam - referral to get free game scam
Phishing Malicious Links that inject viruses
Trade Scams
Undervalue scam
Betlord scams
Refusal to reciprocate
What have we done about it?
Literature
There aren't any currently available research papers doing analysis of scammers on steam.
We have read a few papers on Cheaters on Steam, Cheaters in MMORPG games, Online Gaming and Spam: Security Issues That Are Often Overlooked and a few more.
The data!
Explored the Steam API and collected data for 5,000 users.
Got information about:
Friends
His/her network
Gaming history
Games owned
Inventory Analysis
Ground truth
We have written a script to scrape data out of SteamRep, a website run by the community that tags scammers.
End Goal
Make a plugin that analyses profiles and checks if its safe to trade with the user.