New Delhi, Nov. 4 -- Binance Holdings has revealed that hackers who stole $6.3 billion from the company used techniques of social engineering, which included fake job interviews and malware as they published a report on the massive heist that took place recently.

Binance has attributed the theft to North Korea, saying that the breach involved a "sophisticated, multi-stage campaign."

It said one of its engineers was contacted through a platform for hunting jobs by someone who claimed to be a project director.

During the course of his assessment, he was asked to download an assignment that had a "malicious code repository," which then set off the unauthorised activities, the company said.

"This was not a single mistake or a single breac...