“But Baumgartner says he’s seen a dramatic shift in the past few years in how these groups react to publicity. Take Darkhotel, the Korean-speaking attack group known for hacking into WiFi networks at luxury hotels in order to target corporate and government executives. Darkhotel is no longer waging hotel-targeted attacks — but they aren’t hiding out, either.”
Source: Sony Hackers Still Active, ‘Darkhotel’ Checks Out Of Hotel Hacking