Sam Rehman

Sam Rehman is SVP and Chief Information Security Officer for EPAM Systems. Rehman has more than 30 years of experience in software product engineering and security. Prior to becoming EPAM’s CISO, Rehman held a number of leadership roles in the industry, including Cognizant’s Head of Digital Engineering Business, CTO of Arxan, and several engineering executive roles at Oracle’s Server Technology Group. His first tenure at EPAM was as Chief Technology Officer and Co-Head of Global Delivery. Rehman is a serial entrepreneur, technology expert and evangelist with patented inventions in software security, cloud computing, storage systems and distributed computing. He has served as a strategic advisor to multiple security and cloud companies, and is a regular contributor in a number of security industry publications.

A CISO's perspective on the modern cybersecurity landscape

Sam Rehman

June 19, 2024

Since many companies push for and demand 100% security, these organizations ultimately settle for a false sense of it.

Why mobile app developers need to prioritize user data privacy and security — and what they can do to ensure it

Sam Rehman

Boris Khazin

October 13, 2021

While offering incredible conveniences, mobile apps are also a vehicle for malicious hackers to obtain sensitive data and personal information. But before we dive into the work of hackers, it is important to understand user privacy.

Rethinking the current cybersecurity landscape

Sam Rehman

September 27, 2021

Pressing the reset button on security is only possible by disregarding the old-school ring-fencing and the rigid firewalls of the moat-castle mindset and embracing the zero trust mentality.

What you cannot see you cannot secure: Shining a light on cybersecurity threats in a work-from-home environment

Sam Rehman

February 16, 2021

With work from home becoming the norm, employees are likely letting their guards down, allowing people in the same household, whether family or visitors, to have access to work-related content. That is why a good cybersecurity strategy starts with people—and a zero trust approach.

Connected and protected: Identity management for enterprises in an era of zero trust

Sam Rehman

January 22, 2021

With millions of people working from home at present, and likely into the future, the enterprise perimeter has all but dissolved. In the process, organizations are struggling to ensure security in this "zero-trust" and remote era.

The perfect storm: Finding new ways to navigate and mitigate the cybersecurity pandemic

Sam Rehman

August 28, 2020

Remote work is testing organizations, putting their IT departments under great stress. Like employees, many companies were unprepared for the many challenges of this seismic shift, one of which has been the dramatic changes in network and enterprise boundaries. Suddenly, securing endpoints became — and continues to be — a top concern.

LIVE: September 30, 2026 at 2 PM EDT This webinar will discuss practical frameworks for developing policies, training staff, and coordinating with legal, compliance, and executive leadership before an enforcement action occurs.

LIVE: October 7, 2026 at 2 PM EDT Learn how security teams have strengthened travel risk management for a global workforce. Move beyond manual monitoring to earlier, verified awareness and a more defensible approach to security operations.

Sam Rehman

ARTICLES

A CISO's perspective on the modern cybersecurity landscape

Why mobile app developers need to prioritize user data privacy and security — and what they can do to ensure it

Rethinking the current cybersecurity landscape

What you cannot see you cannot secure: Shining a light on cybersecurity threats in a work-from-home environment

Connected and protected: Identity management for enterprises in an era of zero trust

The perfect storm: Finding new ways to navigate and mitigate the cybersecurity pandemic

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