This book analyzes how cyberspace transforms power, sovereignty, and security in twenty-first century international relations. The study covers cyber capabilities across great powers, middle powers, and small states including analysis of major incidents like Stuxnet, WannaCry, and SolarWinds and also includes:

• Comprehensive examination of how cyberspace transforms power, sovereignty, and security in twenty-first century international relations
• Analysis of cyber capabilities across great powers, middle powers, and small states including US, China, Russia, Israel, Iran, and others
• Development of Cyber Leviathan concept as organizing framework for understanding contested digital authority and governance structures
• Investigation of cyber conflict evolution from supporting instrument to primary arena of great-power rivalry and strategic competition
• Case studies of major cyber incidents including Stuxnet, WannaCry, SolarWinds, and election interference operations

This title has been co-published with Knowledge World Publishers. T&F does not sell or distribute the print versions in Bangladesh, Bhutan, India, Nepal, Pakistan, and Sri lanka.

Khyati Singh serves as Research Analyst at Manohar Parrikar Institute for Defence Studies and Analyses, New Delhi, India and PhD scholar at School of International Studies, Jawaharlal Nehru University, New Delhi, India specializing in international relations and defence strategy with focus on US and Indo-Pacific security and emerging technologies. She contributes to leading think tanks and journals writing on hybrid warfare, AI governance, and India's grand strategy. Her research bridges academia and policy offering insights into global security order.