Crypto Hacks Cost $1.18 Billion In Q3 As Smart Contract Exploits Surge

Crypto’s third-quarter security bill came to $1.18 billion, but the headline total is only part of Hacken’s latest warning. The firm recorded 107 incidents between July and September, with smart-contract exploits taking a much larger share of losses than they did three months earlier. TL;DR: Hacken reported $1.18 billion stolen across 107 incidents in Q3 2026, up 55% from Q2. Smart-contract exploits accounted for 48% of losses, compared with 12% in the previous quarter. Access-control and operational failures made up 40%. According to Hacken’s Q3 2026 Security and Compliance Report, the pattern behind attacks changed sharply. In Q2, access-control and operational failures had accounted for 88% of losses. That share fell to 40% in Q3, even as total damage rose.

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