The decentralized finance (DeFi) sector has suffered significant security breaches in 2026, resulting in losses exceeding $137 million, according to crypto analyst Cipher. At least 15 incidents have been reported, with Step Finance experiencing the largest loss of approximately $27.3 million. Other notable losses include Truebit with $26.2 million and Resolv with over $25 million. Additional affected platforms include SwapNet, which lost around $13.4 million, and YieldBlox, with losses of approximately $10.97 million. Smaller losses were reported by SagaEVM, Makina, IoTeX, Aperture Finance, Venus Protocol, CrossCurve, Solv Protocol, FOOMCASH, Moonwell, and TMX, with amounts ranging from $1.4 million to $7 million.