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An AI for an AI: Anthropic says AI agents require AI defense

ID: 2985e380-eca8-5905-8b90-82bb48942282

STIX ID: report--2985e380-eca8-5905-8b90-82bb48942282

Feed Name: The Register (Security)

Threat Score
60/100

Date Published: 2025-12-05

Date Updated: 2026-04-26

Author: Thomas Claburn

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Anthropic published SCONE-bench, a smart-contract exploitation benchmark demonstrating that AI agents (Claude Opus/Sonnet and GPT-5) can automatically find and craft exploits for vulnerable Ethereum-compatible contracts; in simulated tests the models produced exploit code equivalent to $4.6M and discovered zero-day flaws in recently deployed contracts, highlighting the falling cost and increasing feasibility of autonomous blockchain exploitation and urging proactive AI-driven defenses.

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