Steam Database Hacked, Valve Investigating Possible Theft - Game

Valve said today its Steam database was hacked last weekend and that personal information, including names, e-mails, and encrypted credit card information may have been compromised.

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Valve upgrades Steam's security after several games are hacked and filled with malware

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Careful of these steam phishing/hacking attempts : r/gaming

Valve Delays The Touchpad-Happy Steam Machine Controller

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Valve's online game service Steam hit by hackers - BBC News

Valve: Hackers Accessed Steam Users' Encrypted Passwords, Credit Cards

Why do people say steams customer service is bad? : r/Steam