AI-Linked Hacks Raise Security Risks Across $130 Billion DeFi Sector

Suspected North Korea-linked hackers used artificial intelligence to help execute two April 2026 crypto attacks that stole nearly $600 million, heightening concerns across the $130 billion decentralized finance sector, according to blockchain forensics firm TRM Labs. The attacks targeted Drift Protocol, draining more than $280 million, and Kelp DAO, where hackers stole almost $300 million. Drift shut down and plans to relaunch after receiving stablecoin support from Tether, while DeFi project Carrot said on April 30, 2026, it would close because of exposure to Drift. The Kelp DAO theft triggered broader market stress after hackers used stolen assets as collateral on Aave, prompting about $9 billion in withdrawals over two days. Security experts said AI may be reducing the time needed to find blockchain vulnerabilities from months to days or hours, pushing DeFi projects to expand monitoring, circuit breakers and cyber-risk controls.