Edit: After half day, my wife’s Mac started having the same problem. I have then applied the solution that I found in the Apple
Vice President of Global Security At Apple , John Theriault leaves after lost iPhone 4S investigation –
Reports are saying that Apple’s Vice President of Global Security , John Theriaul has left the company after events which took place with in the investigation of the lost iPhone prototype which took place earlier this year. The investigation came after reports suggested that an Apple employee had lost an iPhone prototype in San Fransico in which reports again say that Apple followed up this event by visiting the home were the iPhone was thought to be and posed as Police officers. John Theriault has been into security all his career and as well as being responsible for all Apple security operations he was also a special agent in the FBI.