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Secure Access
Services Edge - SASE

Secure Access Service Edge (SASE) is transforming the way businesses secure their networks in an era of remote work and cloud-first strategies. At Vectra, we leverage SASE to provide a unified, cloud-delivered security framework that ensures seamless, secure, and high-performance access to applications and data—no matter where your users are. By integrating Zero Trust Network Access (ZTNA), advanced threat prevention, and a fully converged security solution, our SASE offering reduces complexity, enhances visibility, and protects your organisation against evolving cyber threats. With our expertise, your business can achieve a robust security posture while maintaining agility and operational efficiency.

What is SASE?

Secure Access Service Edge (SASE) is a cloud-based security framework that converges networking and security into a single, unified service. It combines key security technologies such as Zero Trust Network Access (ZTNA), Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), Firewall-as-a-Service (FWaaS), and advanced threat prevention with software-defined wide-area networking (SD-WAN). By delivering security directly from the cloud, SASE ensures secure, seamless, and high-performance access to applications and data from any location. This approach simplifies network security, reduces complexity, and enhances protection against modern cyber threats, making it an essential solution for businesses embracing remote work and cloud transformation.

Why SASE? v's Traditional Networking?

Traditional networking models rely on centralised, on-premises security solutions that are no longer efficient in today’s cloud-first, remote-work environments. These legacy architectures route traffic through corporate data centres for security inspection, leading to network congestion, latency, and poor user experience.

SASE (Secure Access Service Edge) overcomes these limitations by delivering security and networking as a cloud-native service. Instead of backhauling traffic to a data centre, SASE applies security policies at the network edge, ensuring direct, secure access to cloud applications and resources from any location. With integrated Zero Trust Network Access (ZTNA), Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), and Firewall-as-a-Service (FWaaS), SASE reduces complexity, enhances visibility, and improves agility.

For businesses looking to modernise their network security, SASE provides a scalable, cost-effective solution that offers stronger protection, better performance, and seamless access—far surpassing the capabilities of traditional networking.

Leading SASE Providers

As businesses shift to cloud-first and hybrid work environments, several cybersecurity leaders offer Secure Access Service Edge (SASE) solutions, each with unique strengths. Here’s an overview of some key SASE providers:

  • Check Point Harmony SASE: Check Point delivers a cloud-native SASE solution with advanced threat prevention, Zero Trust Network Access (ZTNA), and AI-driven security intelligence. It provides unified protection for remote users and branch offices, leveraging Check Point’s industry-leading threat prevention capabilities.

  • Netskope: Netskope’s SASE platform is known for its deep cloud visibility and data security capabilities. It integrates Secure Web Gateway (SWG), Cloud Access Security Broker (CASB), and Zero Trust principles to provide secure, fast access to cloud applications and internet resources while preventing data loss and threats.

  • Cato Networks: Cato offers a fully converged, cloud-native SASE platform that integrates networking and security into a single service. It combines SD-WAN, next-generation firewall (NGFW), SWG, and threat prevention to optimise global network performance and security while reducing operational complexity.

  • Palo Alto Networks Prisma SASE: Palo Alto’s Prisma SASE solution extends security to remote users and branch locations with AI-powered threat detection, Zero Trust security enforcement, and SD-WAN optimisation. It integrates SWG, CASB, and FWaaS to provide comprehensive security across cloud and on-premises environments.

SASE Architecture

The architecture depicted in the diagram represents Check Point Harmony SASE, a cloud-delivered security framework integrated with Check Point Infinity. This model follows a converged SASE approach, combining network security, Zero Trust access, and SD-WAN to provide seamless and secure connectivity for remote users, branch offices, cloud workloads, and on-premises data centres.

Key Architectural Insights

  1. Cloud-Native Security Delivery – The Harmony SASE platform is cloud-first, ensuring that security is applied at the network edge rather than backhauling traffic through centralised data centres, which improves latency, scalability, and performance.
  2. Comprehensive Protection – By integrating on-device protection, private access (ZTNA), SaaS security (CASB), and internet access filtering (SWG), the architecture enables robust security enforcement across all endpoints.
  3. SD-WAN Integration – Branch offices and on-premises data centres are securely connected via SD-WAN, providing optimised network performance while reducing reliance on traditional MPLS networks.
  4. Zero Trust Network Access (ZTNA) – Remote users access private applications securely without relying on traditional VPNs, minimising attack surfaces and preventing lateral movement in case of a breach.

Example Use Case: Hybrid Workforce Security

A global enterprise with remote employees and multiple branch offices can deploy Check Point Infinity SASE to ensure:

  • Remote workers securely access internal applications via ZTNA with identity-based access controls.
  • Branch offices connect through SD-WAN, eliminating MPLS dependency and reducing costs.
  • Cloud applications (SaaS) are secured with CASB to prevent data exfiltration and insider threats.
  • Web browsing traffic is filtered via Secure Web Gateway (SWG) to prevent phishing and malware attacks.
Simplify and strenghthen your network with SASE by Vectra