sad workerFlickr/Omar Gurnah

Hackers stole the personally identifying information of more than 20 million people, the Office of Personnel Management (OPM)

south carolina flagAPMaria Calef, of Columbia, S.C., waves a sign as she celebrates in front of the South Carolina statehouse, Thursday, July 9, 2015, in Columbia,...

Russia Russian President Vladimir PutinREUTERS/Alexei Druzhinin/RIA Novosti/KremlinRussia's President Vladimir Putin watches the Victory Day parade at Red Square in Moscow, Russia, May...

drug cartel jalisco new mexicoScreen grabThe drug cartel "New Generation" poses for a propaganda video in Jalisco, Mexico.

The Islamic State's use of social media to publicize...

San Francisco FogJustin Sullivan/Getty ImagesThe north tower of the Golden Gate Bridge is seen surrounded by fog on September 8, 2013, in San Francisco.

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RTR4THP4REUTERS / Brian Snyder U.S. Secretary of State John Kerry (L) and Iran's Foreign Minister Mohammad Javad Zarif pose for a photograph before...

RTR4WJNQReuters / Alexander Zemlianichenko/Russian President Vladimir Putin (R) and Greek Prime Minister Alexis Tsipras (L).

obama computerREUTERS/Larry Downing President Barack Obama after tweeting at his first ever Twitter Town Hall in the White House, July 6, 2011.

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United States US Iran Nuclear NegotiationsREUTERS/Heinz-Peter BaderNegotiators of Iran and six world powers face each other at a table in the historic basement of Palais Coburg hotel in...