Cyber Risks · The Hacker News

Binance Reveals How Fake Job Interviews and AI Tool Abuse Led to $6.43 Billion Theft

Summary: Binance said the theft of $6.43 billion in assets from its exchange resulted from a multi-stage campaign that began in June 2026 when a Wallet DevOps engineer downloaded a trojanized Homebrew installer for an AI tool found via a search engine, and continued in September 2026 when a second engineer was sent a malicious code repository as an interview 'assignment' by a fake Project Director persona. On October 29, 2026, between 17:15 and 19:56, the attacker used credentials stolen from the first engineer to log onto a third engineer's computer, deploy a container, and trigger a script that abused an internal wallet signing service to initiate transactions outside the normal withdrawal process.

What you should know: The entry point was a developer downloading a tool he searched for and an engineer opening an interview assignment on a work computer - two routine actions that ended in the largest heist on record, with the attacker reaching a wallet signing service rather than stopping at the endpoint. Binance estimates it has foiled 57 suspected North Korea-linked cases this year, and Chainalysis ties more than $14.3 million in losses over 18 months to the same fake-interview playbook.

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Topics
Phishing & Social Engineering
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