Happened to Valve too, Christmas 2015: https://arstechnica.com/gaming/2015/12/valve-explains-ddos-induced-caching-problem-led-to-xmas-day-steam-data-leaks-and-d

Happened to Valve too, Christmas 2015: https://arstechnica.com/gaming/2015/12/valve-explains-ddos-induced-caching-problem-led-to-xmas-day-steam-data-leaks-and-downtime/ https://arstechnica.com/gaming/2015/12/valve-explains-ddos-i...