Infostealers like Atomic MacOS Stealer (AMOS) represent far more than a standalone malware. They are foundational components of a mature cybercrime economy built around harvesting, trading, and operationalizing stolen digital identities. Rather than acting as the end goal, modern stealers function as large-scale data collection engines that feed underground markets, where stolen credentials, sessions, and financial data are bought and sold to fuel account takeovers, fraud, and follow-on intrusions. What makes these campaigns particularly effective is their highly opportunistic social engineering approach: attackers continuously adapt to technology trends, abusing trusted platforms, popular software, search engines, and even emerging AI ecosystems to trick users into executing malware…