Nazmul Rajib is a senior security consultant of the Cisco Advanced Services organization focusing on planning, design, implementation and optimization of Cisco's next-generation security technologies. Prior to that, he was a senior technical lead of the Cisco Global Technical Services. He leads cybersecurity training initiatives, develops internal training programs, and trains the current generation of Cisco engineers who support Cisco security solutions around the world. He also reviews design specifications, tests security software, and provides solutions to business-critical networking issues. Nazmul has authored numerous technical publications at Cisco.com and in the Cisco support community. Nazmul is a veteran engineer of Sourcefire, Inc., which developed Snort--the most popular open-source intrusion prevention system in the world. He created and managed the global knowledge base for Sourcefire and designed Sourcefire security certifications for partner enablement. Nazmul trained security engineers from many managed security service providers (MSSP) in the United States. He supported the networks of numerous Fortune 500 companies and U.S. government agencies. Nazmul has a master of science degree in internetworking. He also holds many certifications in the areas of cybersecurity, information technology, and technical communication. He is a Sourcefire Certified Expert (SFCE) and Sourcefire Certified Security Engineer (SFCSE).