Omar Santos is an active member of the security community, where he leads several industry-wide initiatives and standard bodies. His active role helps businesses, academic institutions, state and local law enforcement agencies, and other participants dedicated to increasing the security of the critical infrastructure.

Omar is the author of more than 20 books and video courses as well as numerous white papers, articles, and security configuration guidelines and best practices. Omar is a Principal Engineer of the Cisco Product Security Incident Response Team (PSIRT), where he mentors and leads engineers and incident managers during the investigation and resolution of security vulnerabilities.

Omar has been quoted by numerous media outlets, such as TheRegister, Wired, ZDNet, ThreatPost, CyberScoop, TechCrunch, Fortune Magazine, Ars Technica, and more. You can follow Omar on Twitter [...]

• Chapter 1 Cybersecurity Fundamentals
• Chapter 2 Cryptography
• Chapter 3 Software-Defined Networking Security and Network Programmability
• Chapter 4 Authentication, Authorization, Accounting (AAA) and Identity Management
• Chapter 5 Network Visibility and Segmentation
• Chapter 6 Infrastructure Security
• Chapter 7 Cisco Next-Generation Firewalls and Cisco Next-Generation Intrusion Prevention Systems
• Chapter 8 Virtual Private Networks (VPNs)
• Chapter 9 Securing the Cloud
• Chapter 10 Content Security
• Chapter 11 Endpoint Protection and Detection
• Chapter 12 Final Preparation
• Glossary of Key Terms
• Appendix A Answers to the “Do I Know This Already?” Quizzes and Q&A Sections
• Appendix B CCNP Security Core SCOR (350-701) Exam Updates t
• Appendix C Study Planner