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Browser Extension Malware

Definition

Browser extension malware is malicious software disguised as a legitimate browser add-on that compromises user security. These extensions often mimic popular cryptocurrency wallet interfaces or productivity tools to trick users into granting excessive permissions. Once installed, they can intercept sensitive data, redirect transactions, steal private keys, or inject phishing content into web pages, specifically targeting digital asset holders. This form of attack represents a significant threat vector for individuals interacting with decentralized applications and exchanges through their web browsers.