Cryptocurrency: An Emerging Target for Cyberattacks

This report analyzes the rise of cryptocurrency-related cyber attacks in 2021—covering cryptojacking, phishing/scams, laundering techniques, underground marketplace activity (sale of exchange access, user databases, 2FA bypass services, and malware like Nexus stealer), and major incidents such as the Poly Network (~$613M), Liquid (~$97M) thefts and REvil ransom demands—assessing global impact, attacker tactics, and recommending defensive measures (cold storage, 2FA, diversification, and improved cyber hygiene).