Record-Breaking Theft WaveNorth Korean hackers stole $577M in crypto during Jan-Apr 2026, accounting for 76% of all hacking losses. Two major attacks on Drift Protocol ($285M) and KelpDAO ($292M) dominated the quarter.Escalating Threat PatternNorth Korea's share of crypto theft has surged from 10% in 2020-2021 to 76% in 2026, with cumulative stolen funds exceeding $6B since 2017.Social Engineering TacticsAttackers spent months conducting offline meetings with Drift Protocol employees before executing one of crypto's largest social engineering attacks, highlighting sophisticated infiltration methods.