Via en lang blog-post på Steam's officielle blog har Valve afsløret, at omtrent 77.000 Steam-konti bliver stjålet hver måned, og det er en af grundene til at firmaet advarer spillere om at være forsigtige. Man kan eksempelvis bruge Steam Mobile Authenticator:
"Two-factor authorization is the use of a separate device to confirm your identity. The security of this system is based on moving that step from your PC to a device a hacker can't access, such as your smartphone. PCs can be easily compromised, therefore a PC-based authenticator would not provide better security than a password or email authentication.
We needed to create our own two-factor authenticator because we need to show users the contents of the trade on a separate device and have them confirm it there. Requiring users to take a code from a generic authenticator and enter it into a hijacked PC to confirm a trade meant that hackers could trick them into trading away items they didn't intend to. This basically made it impossible to use a generic third party authenticator, such as Google Authenticator, to confirm trades.
For mere præcise detaljer, kan du læse videre her.