North Korea denies FBI’s accusation of role in $6.3b Binance hack as exchange faces billions in withdrawals

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Kim Yo Jong called the FBI’s accusation a “grave political provocation,” while Binance said it was replacing stolen assets and gradually restoring withdrawals after the largest cryptocurrency theft on record.

North Korea has rejected the FBI’s accusation that its state-backed hackers stole approximately $6.3billion from Binance, as the cryptocurrency exchange works to replenish affected assets and restore services following a record-breaking breach.

Kim Yo Jong, the influential sister of North Korean leader Kim Jong Un, dismissed the allegation as “absurd rhetoric and nothing new” in a statement carried by the state-run Korean Central News Agency. She described Washington’s attribution as a “grave political provocation” and accused the United States of using major cyber incidents to discredit Pyongyang.

The denial followed an October 31 FBI statement attributing the theft to North Korean malicious cyber activity it calls TraderTraitor. The agency said more than $6 billion in virtual assets had been stolen from Binance on or around October 29.

The dispute has unfolded alongside a major test of customer confidence. Binance customers withdrew a net $4.72billion after withdrawals began reopening on November 1, according to reporting published the following day. Binance said withdrawal volumes had slowed after an initial surge, while analysts described the departures as relatively modest compared with the assets held on the platform.reuters+1

How attackers breached Binance

Binance has linked the theft to a compromised laptop belonging to a DevOps engineer, an employee working on the systems used to develop and operate its platform. According to the exchange’s account, reported by BleepingComputer, the compromise allowed attackers to access a service container and submit unauthorized withdrawal transactions.

Blockchain intelligence firm TRM Labs estimated that approximately $6.36billion moved out of Binance wallets across 10 blockchains, with most of the transfers completed in about 20 minutes. Chainalysis also attributed the attack to TraderTraitor with a “high degree of confidence,” according to the same reporting.

Either figure places it well above the roughly $1.5billion Bybit theft in February 2025, which was also attributed to North Korean hackers.

The FBI’s public statement identifies North Korea as responsible but provides limited detail about the evidence underpinning that attribution. It says investigators, working with the US Secret Service and the Internal Revenue Service’s criminal investigation division, observed the attackers converting stolen assets primarily into ether, the cryptocurrency used on the Ethereum network.

Investigators expect further laundering through decentralized finance platforms and instant-swap services. Those services can allow assets to be exchanged or moved through additional transactions as attackers attempt to obscure their origin.

Replacing customer assets is not the same as recovering the stolen funds

Binance has pledged to cover the losses rather than pass them on to customers. Reuters reported that the exchange had raised approximately $6billion from its corporate treasury, an insurance fund and a fund reserved for security breaches.

By November 1, Binance said it had replenished approximately 95% of the affected assets. The remaining portion consisted of less-liquid tokens that it was continuing to purchase through market and over-the-counter transactions, according to a statement reported by BleepingComputer.

That distinction matters: replenishment means Binance is replacing missing assets using other resources, not necessarily that investigators have recovered the cryptocurrency taken by the attackers. Separately, stablecoin issuers have frozen a substantial portion of the stolen funds. Reuters reported that about half the haul consisted of stablecoins that had been frozen, including more than $1.1billion in USDC frozen by issuer Circle.

The two efforts address different problems. Binance’s replacement purchases aim to restore the assets available to customers, while freezes seek to prevent the attackers from moving or cashing out stolen tokens.

Withdrawals test customer confidence

Binance began gradually reopening withdrawals on Sunday, November 1, after suspending them in the aftermath of the attack. During the first nine and a half hours, customers withdrew approximately $4.65billion and deposited $1.01billion, producing a net outflow of $3.64billion.

The gross and net figures measure different things: gross withdrawals count all assets leaving the platform, while net outflows subtract incoming deposits. Binance said the initial $3.64billion net departure represented 2.1% of the assets on its platform.

After an initial spike, withdrawal volumes have declined and are stabilising.

Binance said in a statement quoted by Reuters.

Tim Sun, a senior researcher at digital-asset financial services company HashKey Group, told Reuters that the incident had “not yet triggered widespread panic or a massive, concentrated withdrawal.” He nevertheless warned that security concerns could influence how much market makers, institutions and other investors allocate to cryptocurrency.

Those early figures do not settle the longer-term question of customer confidence. Withdrawals were still partially suspended for many cryptocurrencies on Monday, according to Reuters, making the reopening an ongoing process rather than a completed stress test.

Binance subsequently announced another expansion of withdrawals across networks including Binance Smart Chain, Ethereum, Solana, XRP and Sui, scheduled to begin at 04:00 GMT on Tuesday, November 3.

Why Pyongyang’s denial matters

North Korea’s response has implications beyond the exchange itself. Researchers have linked the country’s cryptocurrency theft operations to financing its weapons programs, while a 2024 United Nations report said proceeds from North Korean cyberattacks had reportedly helped fund weapons of mass destruction development. That broader assessment does not establish how the proceeds of this particular theft might ultimately be used.

Michael Bosack, founding director of the Parley Policy Institute and a former UN Command official, told AFP that the international attention surrounding the Binance attack likely helped prompt Pyongyang’s response. He argued that the denial was intended to preserve channels through which stolen cryptocurrency could be laundered and used.

If external parties start closing doors based on the international heat on the matter, then the stolen cryptocurrency does nothing to support the Kim regime’s near-term priorities.

Bosack said.

Kim Yo Jong also said North Korea now had “issues to reconsider” because of Washington’s hostility, introducing another complication as US President Donald Trump seeks to revive summit diplomacy with Pyongyang.

Missile test adds to regional tensions

Separately, North Korean state media reported that the country tested strategic cruise missiles on Monday equipped with a new cluster-munition warhead. KCNA described the test as an improvement in the missiles’ ability to strike targets through their terminal flight manoeuvres.

The launch occurred alongside the public dispute over the Binance theft, but the available reporting does not establish that it was ordered in response to the FBI’s accusation. Analysts quoted by AFP instead discussed its significance for North Korea’s conventional strike capabilities and deterrence against South Korea.

The cyberattack has also prompted calls for stronger digital defenses in Seoul. South Korean President Lee Jae-myung cited the enormous losses suffered by the world’s largest cryptocurrency exchange while urging a more comprehensive approach to preventing cyberattacks, rather than relying primarily on inspections and responses after an incident.

For Binance, the immediate challenge remains restoring services securely while replacing affected assets. For investigators, it is turning the tracing of stolen cryptocurrency into coordinated action before the attackers can move it beyond reach—a difficulty asset-recovery specialist Jonathan Benton described to Reuters as the gap between identifying funds and acting quickly enough to secure them.

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Timeline

North Korea’s offensive cyber capabilities have evolved from early political disruption campaigns into highly sophisticated, multi-billion dollar financial heists. According to intelligence agencies like the FBI and blockchain analytics firms, these operations are primarily driven by specialized state-sponsored units—most notably TraderTraitor (also known as the Lazarus Group)—seeking to evade international sanctions and fund the regime’s weapons programs.

The complete historical timeline tracks how North Korea’s cyber strategy shifted from disruption to massive cryptocurrency exploits:

Phase 1: Infrastructure & Political Disruption (1980s–2014)

Initially, North Korea focused on building its talent pipeline and launching localized, politically motivated cyberattacks.

Mid-1980s: Mirim College founded under a bilateral agreement with the Soviet Union to explicitly train “cyber warriors” for military and intelligence operations.

Jul 2009: The “4th of July” Campaign launches, marking Pyongyang’s first major international Distributed Denial of Service (DDoS) operation targeting White House, Pentagon, and South Korean government websites.

Mar 2013: The “DarkSeoul” Attack hits South Korea, deploying wiper malware that destroys 32,000 computers across major broadcasting networks and financial institutions.

Nov 2014: The Sony Pictures Hack brings the Lazarus Group to broad international attention. In retaliation for the satirical film The Interview, hackers leak massive troves of corporate data and wipe Sony’s internal servers.

Phase 2: The Pivot to Centralized Banking Heists (2015–2017)

Realizing the financial potential of cyber operations, the regime shifted its focus toward direct monetary theft via traditional banking software.

Feb 2016: The Bangladesh Bank Heist exploits the SWIFT network. The hackers attempt to steal $951 million from the bank’s New York Federal Reserve account, successfully routing $81 million to casinos in the Philippines.

May 2017: The WannaCry Ransomware Campaign infects over 300,000 computers across 150 countries. The virus encrypts critical systems—including the UK’s National Health Service (NHS)—and demands payments in Bitcoin.

Phase 3: The Crypto Exploit Era (2018–2025)

As traditional banking networks tightened security, North Korea pivoted aggressively to the loosely regulated decentralized finance (DeFi) and cryptocurrency ecosystem.

Mar 2022: The Ronin Bridge Hack drains $620 million from the sidechain supporting the popular Axie Infinity Web3 game, setting a baseline for massive blockchain exploits.

Jun 2022: The Horizon Bridge Theft strips $100 million from Harmony’s cross-chain bridge, using automated privacy protocols to obfuscate the funds.

Jun 2023: The Atomic Wallet Breach nets the group roughly $100 million via compromised user recovery phrases.

Mid-2024: WazirX and DMM Bitcoin Hacks collectively yield over $540 million ($235M from India’s WazirX and $308M from Japan’s DMM).

Feb 2025: The Bybit Exchange Hack breaks records when TraderTraitor injects malicious code into a third-party wallet provider’s signing interface, siphoning $1.5 billion.

Current Escalation (October 2026)

Oct 29, 2026: The Historic Binance Heist shatters all previous metrics. Utilizing Ethereum EIP-7702 pre-signed authorizations alongside compromised hot wallet infrastructure, TraderTraitor extracts $6.36 billion from the exchange in a matter of minutes.

Nov 3, 2026: North Korea officially denies the FBI’s Binance attribution through state media, calling the allegations a “grave political provocation” designed to label them a cyber-criminal state.

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