Definition ∞ Insecure authorization refers to vulnerabilities in how a blockchain system or decentralized application verifies and grants permissions to users or smart contracts. This flaw allows unauthorized entities to perform actions they should not be able to, potentially leading to asset theft or protocol manipulation. It represents a critical security weakness. This is a severe access control defect.
Context ∞ Incidents involving insecure authorization are frequently reported in cryptocurrency news, often resulting in significant financial losses for users and projects. Developers prioritize rigorous security audits and robust access control mechanisms to mitigate this risk, as it remains a common target for malicious actors in the digital asset space, demanding constant vigilance.
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