Introduction

In an era where digital transformation drives business innovation and growth, cybersecurity has never been more critical. As organizations embrace cloud services, remote work, and Internet of Things (IoT) technologies, the traditional perimeter-based security model is proving inadequate. Enter Secure Access Service Edge (SASE), a groundbreaking approach that combines wide-area networking (WAN) capabilities with comprehensive security functions, delivered through the cloud. This article explores the fundamentals of SASE, its role in modern cybersecurity, and why it represents the new frontier in active defense.