SASE Architecture and SASE Security Models

What are SASE architecture and SASE security models? The rise of the COVID19 pandemic in 2020 has resulted in several corporate changes

By Larissa Lopes
Updated on July 25, 2022
SASE Architecture and SASE Security Models

What are SASE architecture and SASE security models? The rise of the COVID19 pandemic in 2020 has resulted in several corporate changes worldwide. Businesses are transitioning to a digital world to store data online and safeguard critical information for their firm. According to Statista, companies spent 178 billion USD on cloud-based infrastructure in 2021, a 37% growth compared to 2020.

SASE Architecture and SASE Security Models

SASE Architecture and SASE Security Models

Work-from-home rules are another essential element compelling businesses to use cloud-based technology for data management. Because of cloud technology, internet dangers have expanded considerably, necessitating additional security measures to protect company data.

To evolve digitally, companies need a Secure Access Service Edge framework, and to protect their crucial information, they require a SASE security model. So, this article will cover both topics to help companies understand modern security tools and techniques.

What is a secure access service edge?

Secure Access Service Edge is a novel paradigm for securing data in a cloud-based network system. Gartner initially announced SASE in early 2020 to close all gaps in previous network topologies.

It is a method of providing secure remote access to cloud services to an organization’s scattered workforce. It includes mobility, speed, simplicity, and cost savings. SASE integrates all security tasks, such as CASB, SWG, ZTNA, and FWaaS, with WAN capabilities to address evolving organizational demands.

The SASE definition is straightforward since it depicts cloud security and discusses transforming the company’s digital world. As a result, it is critical to fully comprehend the new mechanism before implementing it in your organization.

Why do we need SASE, and why now?

In an era of evolving workloads, employees, and aspirations, businesses want a new framework founded on established cloud-first fundamentals that bring together infrastructure and network security-as-a-fundamental service. The Secure Access Service Edge, or SASE for brief, is a simple, adaptable, and robust infrastructure with coherence throughout the clouds and edge control that is an offshoot of these three main developments.

Shifting workloads: This element highlights the shifting workloads in an organization. It means that companies are now moving toward cloud networking in which you can access applications at any place and on all devices.

Shifting employees: Due to rapid changes in the company’s digital framework and compelling external forces, employees are now shifting towards flexible working conditions.

Shifting aspirations: Customers’ aspirations are also shifting due to digital evolution across businesses. They expect services that are easy to access, secure, and affordable.

SASE tackles issues such as providing constant networking and application monitoring, ensuring ubiquitous security throughout scattered users, gadgets, and programs, and giving integrated as-a-service assistance operations. As a result, it outperforms older methods, which rely on inefficient, expensive, and complicated center infrastructures that do not mesh with a cloud-first environment.

SASE security model

The SASE security architecture enables technological advancements to collaborate smoothly across the system; allowing enterprises to move away from fragmented defense layers. First, however, organizations must adopt specific information security rules and procedures.

These capabilities are vital ingredients of the SASE security framework:


SD-WAN stands for software-defined vast area network that utilizes cloud-based infrastructure to route all the traffic across the wide-area network. A traditional framework routes the traffic through a data center firewall, which results in the inefficient performance of the network. At the same time, SASE incorporates SD-WAN to route its traffic without being compromised.


Known as a Cloud Access Security Broker, CASB is a critical tool that helps organizations implement security policies across their SaaS applications. It uses standards like SML for its authorization and authentication process.


Firewall-as-a-service can be deployed on-premises. However, it is most commonly used in a SASE setup via the cloud. FWaaS provides the same services as a network device, such as network management, traffic shaping, and IP cartography, but with next-generation firewall features.


Workers frequently require access to resources outside the program’s edge, which enhances the system vulnerabilities and makes adherence harder to maintain. A secure web gateway safeguards enterprises against cyber threats such as cyber scams, spammers, and spyware.


Through the access controls concept, zero-trust network access offers companies with the visibility and password protection over all people, gadgets, and programs. In addition, this concept restricts access to essential software solutions to reduce system vulnerabilities if an unauthorized user compromises a company’s account.


Investing in the SASE infrastructure ought to be the best method to create a comprehensive network security program for your firm. For example, suppose you want to develop a straightforward structure to operate regardless of where your staff is located. In that case, the SASE approach and its appealing benefits will help you survive in this highly competitive economy.