A blockchain expert explains how North Korea’s $625 million crypto hack presents a new national security threat — and why it marks a shift in the global ‘digital battlefield’


  • North Korea’s huge crypto hack marks a new era in cybersecurity threats.
  • “If there was ever a doubt that hacks were not tied to national security, that’s been resolved,” a blockchain expert told Insider.

US authorities this week tied North Korean hackers to the historic $625 million Axie Infinity crypto swindle, with the massive hack signifying the emergence of a new type of national security threat, according to a blockchain expert.

On Thursday, the US Treasury Department added an Ethereum wallet address to its sanction list after the wallet facilitated transfers for more than $86 million of the stolen funds.

The hacking outfits Lazarus and APT38, both linked to North Korea, were behind the theft, the FBI said in a statement, and the funds are generating revenue for Kim Jong Un’s regime.

Ari Redbord, head of legal and government affairs at blockchain research firm TRM, says the attack shows that even a nation as isolated as North Korea can participate in new-age cyber-warfare.

“Over the last few years many hacks have been perpetrated by North Korea,” Redbord told Insider. “But the magnitude of this one shows things have moved from small exploits to true national security concerns. It’s staggering — bank robbery at the speed of the internet.”

For years, North Korean actors have been responsible for cyberattacks, including a high-profile hit against Sony in 2014. But groups like Lazarus have grown increasingly sophisticated and ambitious.

Meanwhile, businesses within the nascent crypto sector are still finding their footing when it comes to cybersecurity, which makes them vulnerable to hacking groups which are continuously honing their tactics.

“North Korea realized a hack against an online retailer was one thing, but going after crypto exchanges is a more effective way to fund destabilizing activity at a very low cost to them,” Redbord said.

The country was an early adopter of cryptocurrency money laundering, he added, and there’s no sign it’s bad actors will slow their efforts since it’s proven to be extremely profitable.

What’s more, Redbord noted that social engineering attacks, such as the Axie Infinity infiltration, are becoming more advanced.

These hacks aren’t a…

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