Cyber-crime

  1. Video content

    Video caption: People around the world are being hit by online attackers who encrypt their data

    People around the world, from major companies to schools and hospitals, are being hit by online attackers who encrypt their data and demand money to unlock it again

  2. Video content

    Video caption: Part of the internet is hidden from our view, here's what goes on there.

    Much of the internet is hidden from our view, allowing drug dealers, hackers and even hitmen advertise their services for sale.

  3. Video content

    Video caption: A huge amount of our lives are decided by algorithms. Here's how they work.

    A huge amount of our lives - from what appears in our social media feeds to what route our sat nav tells us to take - are decided by algorithms. Here's how they work.

  4. Video content

    Video caption: Many big new technologies have one thing at the heart of them - artificial intelligence.

    Many recent big advances in tech, like facial recognition software and self-driving cars, have one key thing at the heart of them - artificial intelligence.

  5. The Russian Hackers Wanted by the West

    Video content

    Video caption: The BBC's Cyber Reporter Joe Tidy travels to Russia to track down alleged hackers.

    The BBC's Cyber Reporter Joe Tidy travels to Russia to track down the alleged hackers living millionaire lifestyles and with little chance of ever being arrested.