Magazine : 
The Top Unanswered Mysteries of the World
# Sony Hack
The Sony Pictures hack was a release of confidential data belonging to Sony Pictures Entertainment on November 24, 2014. 
The data included personal information about Sony Pictures employees and their families, e-mails between employees, information about executive salaries at the company.
On December 7, 2014, C-SPAN reported that the hackers stole 47,000 unique Social Security numbers from the SPE computer network.
The duration of the hack is yet unknown, though evidence suggests that the intrusion had been occurring for more than a year, prior to its discovery in November 2014.
# MH370
MH370 was a scheduled international passenger flight that disappeared on Saturday, 8 March 2014, while flying from Kuala Lumpur International Airport near Kuala Lumpur, Malaysia to Beijing Capital International Airport in Beijing, China.
Flight 370 left the range of Malaysian military radar at 02:15 MYT while over the Andaman Sea, 200 nautical miles northwest of Penang in northwestern Malaysia.
Despite being the largest and most expensive search in aviation history, there has been no confirmation of any flight debris, resulting in speculations about its disappearance.
