This timely textbook presents a comprehensive guide to the core topics in cybersecurity, covering issues of security that extend beyond traditional computer networks to the ubiquitous mobile communications and online social networks that have become part of our daily lives. In the context of our growing dependence on an ever-changing digital ecosystem, this book stresses the importance of security awareness, whether in our homes, our businesses, or our public spaces. This fully updated new edition features new material on the security issues raised by blockchain technology and its use in logistics, digital ledgers, payments systems, and digital contracts.

Topics and features:

• Explores the full range of security risks and vulnerabilities in all connected digital systems
• Inspires debate over future developments and improvements necessary to enhance the security of personal, public, and private enterprise systems
• Raises thought-provoking questions regarding legislative, legal, social, technical, and ethical challenges, such as the tension between privacy and security