Steam Wallet Hack.zip
If the Steam Wallet Code you received is of the correct format (which, IIRC, Steam prints in the redeem-wallet-code-dialog) and if you enter it manually into Steam then using that code is safe no matter where it comes from. Steam may or may not accept it, but there's no risk of being hacked that way.
Steam Wallet Hack.zip
Download Zip: https://www.google.com/url?q=https%3A%2F%2Ftinourl.com%2F2ucL8G&sa=D&sntz=1&usg=AOvVaw0wfuS_l2BPQjCBjLUdABMl
When I tried to buy a game and gift it to one of my friends, I could also see the complete friend list of someone else. Other than that and what is displayed in the screenshots above, I could not find any other sensitive data being leaked before steam shutdown the store completely.