There's a parallel Internet you may not have run across yet -- accessed by a special browser and home to a freewheeling collection of sites for everything from anonymous activism to illicit activities. Jamie Bartlett reports from the dark net....

An upcoming documentary reportedly reveals that Facebook has been protecting far-right activists, even though they would normally have been banned over rule violations. UK's Channel 4's documentary series Dispatches sent a reporter undercover and found toxic content,...

Cybercrime expert Mikko Hypponen talks us through three types of online attack on our privacy and data -- and only two are considered crimes. "Do we blindly trust any future government? Because any right we give away, we give away for good."...

Del Harvey heads up Twitter’s Trust and Safety Team, and she thinks all day about how to prevent worst-case scenarios -- abuse, trolling, stalking -- while giving voice to people around the globe. With deadpan humor, she offers a window into how she works to keep 240...

Twitter gives a voice to the voiceless, a way to speak up and hit back at perceived injustice. But sometimes, says Jon Ronson, things go too far. In a jaw-dropping story of how one un-funny tweet ruined a woman's life and career, Ronson shows how online commenters can...

LAST MONTH, James Wolfe was indicted for lying to the FBI about his contacts with four reporters while he worked for the Senate Select Committee on Intelligence. His indictment, and the media coverage of it, focused to a lopsided extent on just one of the reporters:...

Over the last few years, the failed biomedical startup Theranos has become synonymous with some of the worst aspects of Silicon Valley. Through a combination of hubris, mendacity, and paranoid secrecy, the company fooled investors and the press into thinking it had...

The Internet has transformed the front lines of war, and it's leaving governments behind. As security analyst Rodrigo Bijou shows, modern conflict is being waged online between non-state groups, activists and private corporations, and the digital landscape is proving...

The political operative Roger Stone has admitted he is “probably” the Donald Trump associate cited in a grand jury indictment as communicating with Russians who attacked the US presidential election in 2016. Trump is defying calls to cancel a high stakes meeting with...

The earth is a big place to keep clean. With Litterati -- an app for users to identify, collect and geotag the world's litter -- TED Resident Jeff Kirschner has created a community that's crowdsource-cleaning the planet. After tracking trash in more than 100...

William Black is a former bank regulator who’s seen firsthand how banking systems can be used to commit fraud — and how “liar's loans” and other tricky tactics led to the 2008 US banking crisis that threatened the international economy. In this engaging talk, Black,...

Artificial intelligence is getting smarter by leaps and bounds -- within this century, research suggests, a computer AI could be as "smart" as a human being. And then, says Nick Bostrom, it will overtake us: "Machine intelligence is the last invention that humanity...