Security agencies reported over $172 million in security incidents in November, with a net loss of approximately $127 million after deducting recover
according to the November security incident monthly report released by blockchain security organization CertiK on X, the total loss caused by various attacks, vulnerabilities, and scams in November 2025 was approximately $172.4 million, of which about $45 million has been frozen or recovered, resulting in a net loss of about $127 million.
The report shows that the largest incident in November came from Balancer ($113 million), followed by Upbit ($29.87 million) and Bex ($12.4 million). In terms of incident types, code vulnerabilities ($130 million) accounted for the largest losses, followed by wallet leaks ($33.05 million); by sector, DeFi projects suffered the most severe losses, totaling $134.9 million.
CertiK pointed out that although some funds have been successfully frozen or returned, the total number of security incidents this month remains high, reminding users and project teams to strengthen contract audits, key management, and risk control measures during the year-end period.
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