Just how cyber-smart are you?

Digital security - can you really hack it?

Do you reckon you've got your online security sussed? Have you got your devices locked down, your identity Google-proofed and your social media sorted? Then it's time to put your skills to the test with our fiendish 'Cyber Hijack' quiz...

Want to watch a magician hilariously trolling the great British public to expose their online vulnerability? Check out Troy: Cyber Hijack over on All 4 (warning: mature content)