The World spoke with Wired reporter Andy Greenberg, who found that Russia has been using Ukraine as a testing ground for its cyberwarfare techniques since 2014.

Multiple sources revealed to the Associated Press that a US ally, the United Arab Emirates, is torturing prisoners in a network of prisons across southern and eastern Yemen, and that Americans are interrogating detainees at some of these same prisons.

The World's Beirut correspondent Richard Hall selected images from his reporting on the historic movement of migrants and refugees, across continents and oceans, from the past few years.

According to reports on Monday, the Mexican authorities used advanced spyware technology created by an Israeli company to spy on journalists, lawyers and activists critical of the government.

Their churches, their altars, hymn books and pews have been desecrated. But as Iraqi Christians resettle into Qaraqosh, they must face Sunni neighbors who they fear may have welcomed the ISIS extremists.

Opponents of Vladimir Putin have tapped into young Russians' shifting media habits, turning to social media channels to disseminate their message.

There's a cruel irony this Ramadan. Yemenis who have lived with hunger for months are struggling to put together celebratory meals for the end of each day's 15-hour fast. This is how local and international NGOs are helping the neediest.

Yellow dots are hidden on pages you print and geotagged information is encoded in every photo you take. Everything you do online leaves a trail of virtual breadcrumbs.

If ISIS did carry out Wednesday's attacks in the Iranian capital, it would come as no surprise to William McCants, author of "The ISIS Apocalypse."

Khuram Butt was born in Pakistan and raised in London. He's one of three people suspected in the most recent terrorist attack.