Definition ∞ A Trojanized module is a software component or library that appears legitimate but contains hidden malicious code. This harmful code is typically disguised as a benign feature or functionality. When integrated into a larger application, the Trojanized module executes its covert operations, such as data exfiltration or system compromise. It exploits trust in the supply chain to spread malware.
Context ∞ In the context of blockchain and Web3 development, Trojanized modules pose a severe supply chain risk, frequently reported in security incidents. A compromised library used in a smart contract or a decentralized application can introduce critical vulnerabilities, potentially leading to the theft of digital assets. News often highlights the dangers of relying on unverified third-party code, stressing the importance of thorough security audits and vetting of all software components.
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