Today’s columnist, Mary Blackowiak of AT&T Cybersecurity, explains what security pros need to know about Gartner’s SASE concept. markhillary CreativeCommons Credit: CC BY 2.0

Gartner introduced Secure Access Service Edge (SASE) to the market in 2019. Since then, it has been a frequent topic of conversation within the networking and security community. But despite frequent references and marketing resources, there’s still much confusion about what SASE means, as well as its purpose and how seriously security pros should focus on it.

Think of SASE as an architecture model, although sometimes it’s referred to as a concept or framework. It combines software-defined wide area networking (SD-WAN) with comprehensive security capabilities to support today's cloud-based computing environments and the realities of a mobile workforce.

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