Ivan Shefrin is the Executive Director for Comcast Business Managed Security Services, overseeing an organization of 300 professionals and driving the development and operation of enterprise-grade security solutions for thousands of commercial customers.
Shefrin is a transformative cybersecurity executive with over 25 years of experience designing and implementing enterprise security programs that mitigate risk, ensure compliance, and protect organizational assets. Throughout his career, he has excelled in leading complex, large-scale security initiatives within Fortune 500 companies, academic institutions, and high-growth organizations, consistently delivering measurable improvements in cybersecurity resilience and business alignment.
His leadership has been pivotal in creating a NIST-aligned product security roadmap that reduced critical customer security incidents by 60% and producing the highly regarded Comcast Cybersecurity Threat Report, which analyzes over 29 billion security events annually. He is also a recognized thought leader, having represented Comcast on platforms like NASDAQ TV and The Wall Street Journal to share insights on cybersecurity best practices.
Prior to Comcast, Shefrin held senior roles at Accenture Security, IBM, and founded several startups.
He earned a master’s degree from MIT and certifications including CISSP and Associate C|CISO (EC-Council).