We were all cheated out of unlimited free games on Steam

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White hat hacker Artem Moskowsky earned $20,000 from Valve by pointing out a security flaw in Steam that potentially could’ve cost the company millions. The issue, a particularly nasty vulnerability in the Steam developer web portal, allowed anyone with an account to generate unlimited keys for any other game in the system. An an example, Moskowsky was able to generate 36,000 valid keys for Portal 2 using the method he discovered. He detailed the issue to Valve and only publicly reported his discovery after the vulnerability was fixed. Checking his HackerOne profile shows Moskowsky has racked up quite an impressive roster of hits for Valve, including an earlier bounty for $25,000. A salute for Artem Moskowsky, gunslinger hero of Steam security!