It appears that your account was compromised. In order to best secure your account, we recommend enabling the Steam Guard Mobile Authenticator on your Steam account. Please see instructions and more information here: ... We have reset your account password and sent the new login information to the e-mail address associated with this support account. If you do not receive the e-mail, please check your spam or trash folder. Note: The new password consists of numbers only. To further protect your account, you will be unable to trade or use the Community Market for a period of time. If you are missing items/gifts on your account, please reply to this ticket with a screenshot of your trade history as outlined here: ... Additionally, please take a moment to review our Account Security Recommendations: ...