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Binance says fake job interviews and an internal AI tool enabled $6.3 billion theft

Binance said a months-long intrusion that began with a tampered developer install and a fake hiring process let attackers abuse an internal AI tool and wallet signing systems in the Oct. 29 theft, according to the exchange, The Verge, BleepingComputer and CNBC.

Developing story: what's new
  1. Engadget, BleepingComputer and 5 more are now reporting this
  2. New headline Was: “Binance says fake job interview led to computer breach before $6.3 billion theft”
  3. Our desk updated its story
  4. Still developing
  5. The Verge and The Hacker News are now reporting this
  6. Still developing
  7. Our desk updated its story
  8. The National is now reporting this
5 earlier updates
  1. New headline Was: “Binance says fake job interview led to computer breach before $6.3 billion theft”
  2. Our desk updated its story
  3. BBC and CNBC are now reporting this
  4. Now breaking news
  5. Reuters is now reporting this

Wire reporting: (Reuters, via CNA)

Binance said Tuesday that the Oct. 29, 2026, theft of about $6.3 billion in crypto was a months-long campaign that used a tampered developer-tool install, fake job interviews, undetected malware and an internal AI system, according to the exchange’s incident report as described by The Verge, The Hacker News and BleepingComputer1,3,4.

The company said a wallet DevOps engineer in June downloaded a trojanized Homebrew installer while seeking a popular AI coding tool via a search engine; Binance said it detected that activity, replaced the device and rotated credentials, but that the engineer’s role and colleagues on wallet infrastructure were exposed1,3,6.

In September, Binance said, a second engineer was contacted on a job platform by someone posing as a project director, completed video interviews, and downloaded a coding assignment that installed malware replacing a legitimate pyenv component, which endpoint tools did not catch3,4.

By Oct. 20, the report said, attackers used the second engineer’s computer and an internal AI tool to reach additional wallet staff and a container deployment token, then on Oct. 29 logged into a third engineer’s computer, deployed a container and triggered a malicious script against a wallet signing service1,3,4.

BleepingComputer said attackers also used Ethereum’s EIP-7702 mechanism so transfers could continue after withdrawals were suspended4. The Verge cited Binance saying multi-party computation wallets had no single key that could immediately revoke those authorizations1.

The FBI has attributed the theft to a North Korean unit known as TraderTraitor, outlets reported; co-CEO Richard Teng told CNBC he was not himself making that attribution while noting the FBI’s finding1,6.

Teng told CNBC attackers “spent months building their way in,” rejecting a single-laptop failure narrative, and said about 98% of $6.34 billion in affected assets had been replenished6. Binance said about $2.85 billion had been frozen or intercepted and that independent reviewers were being brought in1,4,6.

The Verge said Binance’s account still leaves unclear why the internal AI tool could be used to expand access1.

Sources

  1. The VergeBinance says hackers used fake job interviews and an internal AI tool to pull off the $6.3 billion heist
  2. EngadgetBinance attackers used fake job interviews to pull off $6.3 billion crypto heist
  3. The Hacker NewsBinance Reveals How Fake Job Interviews and AI Tool Abuse Led to $6.43 Billion Theft
  4. BleepingComputerBinance says fake job interview led to $6.3 billion crypto heist
  5. (Reuters, via CNA)Binance hackers used fake job interview in $6.3 billion attackAlso (Reuters, via CNA)
  1. BBCBinance says fake job interviews used as part of $6.3bn crypto hack
  2. CNBCBinance co-CEO Richard Teng says hackers used fake job interviews, AI tool to steal $6.3 billion in crypto
  3. DawnBinance reveals hackers used fake job interviews, malicious code in $6.3bn heist
  4. The NationalBinance says fake job interviews and internal AI tool used in $6.3bn heist
  5. The Korea HeraldBinance says fake job interviews, AI tool used in $6 bln theft blamed on N. Korea
  6. The Japan TimesBinance hackers used fake job interviews in record heist
  7. YonhapBinance says fake job interviews, AI tool used in US$6 bln theft blamed on N. Korea
  8. ReutersBinance says hackers used fake job interview to compromise computer before $6.3 billion attack
  9. ReutersBinance hackers used fake job interview in $6.3 billion attack

How it’s being reported

12 sources

First reported by CNACNA

The VergeEngadgetThe Hacker NewsBleepingComputerBBCCNBC

Where they agree

  • Binance published a postmortem tying the Oct. 29 theft to fake interviews, malware and an internal AI tool.
  • The company said most affected token balances had been replenished and some stolen assets frozen.

Where they differ

Headline loss figure

Side by side

Each outlet's article broken down by our newsroom, in our own words. To read what they wrote, use the button under each one.

The VergeThe Verge

Binance says hackers used fake job interviews and an internal AI tool to pull off the $6.3 billion heist

timeline and FBI TraderTraitor attribution

The Verge recapped Binance’s postmortem: June malware via a search ad, a September fake interview, then abuse of an internal AI tool before the Oct. 29 transfers.

Leaves out malware file-name detail

timeline and FBI TraderTraitor attribution

What it reports

  • Binance said one developer downloaded a tampered installer in June after a malicious search ad.
  • In September another engineer was lured through fake interviews and a malware assignment.
  • By Oct. 20 attackers used an internal AI tool to gain control related to additional employees before Oct. 29 transfers.
  • Binance said about $2.85 billion was frozen or intercepted and 98% of impacted tokens replenished.

Leaves out malware file-name detail

The Hacker NewsThe Hacker News

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

named engineer roles and Oct. 29 timestamps

The Hacker News detailed Engineer A, B and C, a trojanized Homebrew install, and Oct. 29 container deployment.

Leaves out Teng CNBC interview

named engineer roles and Oct. 29 timestamps

What it reports

  • June: Wallet DevOps engineer downloaded a trojanized Homebrew installer for an AI coding tool.
  • September: another engineer ran a malicious coding assignment from a fake CEO interview.
  • Oct. 20: attackers used an internal AI tool to control additional wallet engineers.
  • Oct. 29, 17:15–19:56: attackers deployed a container and malicious script using stolen credentials.

Leaves out Teng CNBC interview

BleepingComputerBleepingComputer

Binance says fake job interview led to $6.3 billion crypto heist

malware mechanics and recovery figures

BleepingComputer described pyenv replacement malware, EIP-7702 abuse, and Binance’s incident report.

Leaves out Teng television comments

malware mechanics and recovery figures

What it reports

  • Attackers replaced pyenv in a Homebrew path with malware that was not detected by endpoint tools.
  • On Oct. 29 they reached a wallet signing service and abused Ethereum EIP-7702 authorizations.
  • About $2.85 billion had been frozen or intercepted; 98% of impacted tokens were replenished as of Oct. 31.

Leaves out Teng television comments

CNBCCNBC

Binance co-CEO Richard Teng says hackers used fake job interviews, AI tool to steal $6.3 billion in crypto

Teng interview and market impact

CNBC interviewed co-CEO Richard Teng, who described a months-long campaign and said 98% of affected assets had been replenished.

Leaves out pyenv technical detail

Teng interview and market impact

What it reports

  • Teng said attackers spent months getting in, not a single laptop failure.
  • He noted the FBI linked the attack to TraderTraitor without himself attributing it.

Leaves out pyenv technical detail