A frightening global attack, hospitals in chaos and an accidental hero with a secret. A virus spreads from computer to computer in 150 countries, causing billions of dollars in damage. It’s the story of WannaCry and Marcus Hutchins.

“Dark arts”, murders and a place with a murky past. Breaking news: an unexpected interview with one of the middlemen.

Correction: This episode says that Kim Jong-nam was killed in 2015. The correct date was 2017.

A costly spelling error and “a fight in the bank” over $20 million. The hunt for a mysterious middleman takes us to Japan.

A car loaded with cash, fake millionaires and death threats – we’re following the money. After they hacked into the billion dollar account, it was time to gamble. The story moves to the Philippines.

A double life overseas and welcome to hacker hotel. There’s an ominous message from a friend - “I don’t think I’ll be coming back”.

Surveillance, state control, executions and how to become a hacker.

A faulty printer, an empty room and the most daring cyber theft ever attempted. The Bangladesh Bank heist begins.

The Smoking Dragon, a fake wedding and a divorce party. And lots of counterfeit money.

“I was terrified.” Panic in Hollywood, careers ruined and helium filled balloons sent to North Korea. President Obama makes clear who he blames for the Sony hack.

A movie, Kim Jong-un and a devastating cyber attack. The story of the Sony hack. How the Lazarus Group hackers caused mayhem in Hollywood and for Sony Pictures Entertainment.