TechFlow news, June 1 — According to on-chain security analytics firm PeckShield, approximately 20 major cryptocurrency security incidents occurred in May 2025, resulting in total losses of $244.1 million, a 39.29% decrease month-on-month.
The largest incident involved the Cetus protocol, which suffered $220 million in losses—the biggest single event of the month. Currently, Cetus and SUI have successfully frozen $157 million of the stolen funds, with the remaining $63 million still held in the attacker's wallet. Other significant incidents include a $12 million attack on the Cork protocol, a suspected North Korea-linked hacking event causing $5.2 million in losses, and losses of $2.2 million and $1.2 million for MBU token and MaplestoryU respectively.




