(Updates) PSA: Steam is giving people access to random accounts, don’t log in
Do NOT visit the Steam Store [Update 2:We’ve received comment from a Valve representative, who confirms that a caching bug was responsible for the leak. According to Valve, only cached information was viewable, and no “unauthorized actions” were performed on the affected accounts. The company also claims that no further action is required on the part of the user. Regardless of what Valve says, we urge you to make any possible change to your personal information — as difficult as changing your two-step phone number or PayPal email address might be — in light of these events....