The British security expert hailed a hero for derailing a global cyber attack admitted to police he created a code which harvests bank details and hinted he sold it, a prosecutor told his US court hearing.

The British computer expert who helped shut down a world-wide cyber attack that crippled the NHS was due to appear in a US court charged with creating software that harvested banking details.

Marcus Hutchins, the British computer expert who helped shut down the world-wide Wannacry cyber attack, has been charged with creating banking malware.

A young British computer expert credited with cracking the WannaCry cyber attack has said he does not consider himself a hero but fights malware because "it’s the right thing to do".