Strategies for e-Service, e-Governance, and Cyber Security: Challenges and Solutions for Efficiency and Sustainability provides an introduction to and overview of cyber security in e-services and e-governance systems. The volume presents and discusses the most recent innovations, trends, and concerns as well as the practical challenges encountered and solutions adopted in the fields of security and e-services. The volume brings together leading academics, scientists, researchers, and research scholars to share their experiences and research results on many aspects of e-services, e-governance, and cyber security. In the world of digitization today, many services of government and industry are carried out in electronic mode in order to avoid the misuse of natural resources. The implementation of e-services also provides transparency and efficiency as well as helps to avoid the misuse of natural resources. These e-services are vulnerable to cyber threats and need special measures in place to provide safety and security as they are being used in the cyber space. The chapters cover diverse topics, such as using digital education to curb of gender violence, cyber security threats and technology in the banking industry, e-governance in the healthcare sector, cybersecurity in the natural gas and oil industry, developing information communication systems, and more. The chapters also include the uses of selection of encryption technology and software. This volume provides valuable information to aid researchers, scientists, and professionals keep up to date with developments in this area and help them meet the demand for better governance systems with the help of the cyber world through e-services.