A warning went up on the Steam subreddit earlier today cautioning Steam users—so, pretty much all of us—to avoid opening profile pages of other users, and also their own activity feeds. The message is intentionally vague to help avoid spreading details about the exploit and how to use it, but it was posted by a subreddit moderator, while another mod says he’s “investigated and created proofs of concept for this exploit.”  Continue reading Valve Fixes Steam Security Exploit →