Nazmul Rajib is a senior product marketing manager of Cisco Systems, Inc. He leads Cisco's global initiatives on cybersecurity enablement, focusing on the firewall and intrusion prevention technologies. As a senior member of the Security Business Group (SBG), Nazmul regularly advises Cisco on security product roadmaps, content strategies, and technical communications. He develops training programs for the Global Security Sales Organization (GSSO) and worldwide channel partners. Nazmul also worked as a technical marketing engineer in the product management organization, where he was responsible for validating security designs, researching best practices, publishing white papers, and presenting new security capabilities.

Prior to joining Cisco's core business group, Nazmul served as a senior information security consultant in the Cisco advanced services organization. With more than a decade of experience, Nazmul assisted many Fortune 500 companies, government agencies, and international organizations. He frequently met Cisco customers to address their critical security concerns and to run workshops.

Previously, Nazmul was a technical lead in the Cisco Customer Experiences (CX) organization, where he consistently assisted the security engineers, and spearheaded the engineering efforts to solve business-critical escalations. He developed several training programs and taught many Cisco engineers worldwide. Nazmul published numerous articles on the Cisco website. In addition to this book, he has authored the best-selling security book Cisco Firepower Threat Defense (ISBN: 9781587144806).

Nazmul is a veteran of Sourcefire, Inc., which developed the world's greatest open-source intrusion prevention system. At Sourcefire, Nazmul created and managed the customer knowledge base, new hire onboarding process, and partner certification program. He routinely trained Sourcefire's security engineers and managed security service providers (MSSP) in the United States.