Chainalysis to bolster South Korea's fight against North Korean hackers
Blockchain analytics firm Chainalysis is strengthening its cooperation with South Korea’s national police. The initiative is aimed at combating crypto crimes, including attacks linked to North Korea.
Chainalysis said on its website that it had signed a memorandum of understanding with the Korean National Police Agency (KNPA). The agreement is intended to strengthen the investigative capabilities of South Korean law enforcement in the digital asset sector.
The main problem
Chainalysis noted that one of the reasons for signing the agreement was the need to more effectively counter crypto attacks linked to North Korea. South Korean police are “at the forefront” of the fight against these threats.
In April, the volume of stolen crypto assets linked to North Korea exceeded $578 million. A significant part of that amount came from attacks against Kelp DAO and Drift Protocol. According to CrowdStrike, hackers linked to North Korea were responsible for $2 billion in crypto losses in 2025, up 51% from a year earlier.
Under the agreement, the KNPA will gain access to personalized training materials from Chainalysis, professional certification programs, and practical training sessions.
The company has been helping South Korean investigators for several years. In September, Seoul police dismantled an international hacking group that had stolen around $30 million. The investigation began in South Korea, but investigators later tracked the suspects to Thailand.
The memorandum was signed several weeks after South Korean police launched a special multi-agency task force to fight money laundering through cryptocurrencies. It is called the Money Laundering Eradication Task Force and operates under the Economic Crime Investigation Division.
How North Korean hackers operate
North Korean hackers usually attack not the blockchain itself, but the people and companies around it. They create fake job offers, pose as recruiters, investors, or developers, send malicious files disguised as test assignments, and try to gain access to wallets, private keys, and the internal systems of exchanges and DeFi projects. In some cases, attackers join crypto companies as remote IT specialists, use fake documents, and work through intermediaries to gain access to infrastructure from the inside.
AI tools are also starting to play a separate role. According to researchers, groups linked to North Korea use AI-generated photos, fake profiles, and deepfakes to pass interviews or communicate with victims. AI helps them create convincing resumes, emails, websites, and attack personas faster. After a hack, the funds are usually moved through a chain of wallets, bridges, mixers, and exchanges to make it harder to trace the origin of the stolen cryptocurrency.
As a reminder, Chainalysis has introduced new tools for code investigation.
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