Brian SakBrian Sak, CCIE #14441 (Security), is a 20-year information security veteran who currently works as a technical solutions architect for Cisco Systems. At Cisco Systems, he is engaged in solution development, and he consults with Cisco partners to hel them build and improve their processes and services in the areas of big data analytics and digitization. Prior to joining Cisco Systems, Brian performed security consulting, penetration testing, and security assessment services for large financial institutions, US government agencies, and enterprises in the Fortune 500. In addition to numerous security and industry certifications, he has a bachelor's of science degree in information technology, with an emphasis on information security, and a master's of science degree in information security and assurance. He is also a contributor to The Center for Internet Security and other publications by Packt and Cisco Press. Read More Read Less