What is Secure Access Service Edge (SASE)
What is SASE?
Secure Access Service Edge, or SASE, is an enterprise networking and security category introduced by Gartner. SASE converges SD-WAN, a Cloud Network, and Security Service Edge (SSE) functions, including FWaaS, CASB, DLP, SWG, and ZTNA, into a unified, cloud-native service.
How Does SASE Work
SASE provides a single cloud-based service that connects and secures all locations, users, devices, and applications, on-premises and in the Cloud. A SASE service has four main characteristics:
Identity-driven
User identity form the basis for risk-based access policies that also consider the user’s device posture, the sensitivity of the data or application being accessed, and the desired action. The policy seamlessly follows the user in the office, on the road, and at home to ensure consistent enforcement everywhere.
Support for all edges
SASE delivers consistent security and optimization to any enterprise edge including on-premises and cloud data centers, branch offices, and down to a single user or device
Cloud-Native
Cloud-native SASE is elastic, self-healing, and self-maintaining. Delivered as a global cloud service SASE rapidly adapts to emerging business needs and make all network and security capabilities available everywhere.
Globally Distributed
SASE is built on an extensible global cloud network to deliver low-latency networking and security capabilities to all users and business locations.
They Key Components of SASE include
Software-Defined WAN (SD-WAN)
SD-WAN enables optimal WAN management. SASE leverages SD-WAN capabilities to provide an optimal and resilient on-ramp into the SASE cloud service.
Cloud Network (Global Private Backbone)
The Cloud Network optimizes global routing, latency sensitive traffic such as voice and video, and cloud and onpremises application access for all sources and destinations.
Firewall as a Service (FWaaS)
A firewall is the foundation of any network security stack. SASE includes FWaaS to provide 360 degree visibility and control to all traffic and enable logical segmentation of the network.
Cloud Access Security Broker (CASB)
CASB helps enterprises monitor the usage of SaaS applications, both sanctioned and unsanctioned (“Shadow IT”), and apply access policies based on user identity, application risk, and nature of the action and data being
Secure Web Gateway (SWG)
SWG protect users against malware, phishing, and other web-borne threats. SASE offers SWG protection to all users, at all locations, without the added latency of routing traffic to inspection in specific locations.
Unified Management
SASE solves the complexity of managing multiple disparate products. A true SASE allows users to monitor and manage all network and security solutions from a single pane of glass.
Zero-Trust Network Access (ZTNA)
ZTNA offers a modern approach to securing application access for users. It embraces a zero-trust policy, where application access is dynamically adjusted based on user identity, location, device posture, and more. SASE continuously inspects all ZTNA sessions for risks and naturally extends to provide endpoint protection, detection and response.
SASE Capabilities
Cato SASE optimally and securely connects all enterprise locations, users, applications, and clouds, into a global and secure, cloud-native platform. Cato can be gradually deployed to replace security point solutions and legacy network services. The Below Image is the Most Critical Part in this Section
- Connect
- Protect
- Detect
- Run
Benefits of SASE
Improving agility
With SASE using a cloud-first and thin edge design, deployment is quick and easy. Zero touch and self-service provisioning
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Improved Visibility and Control
SASE provides full visibility and control across, WAN, Internet, and Cloud. Full traffic coverage ensures corporate policies apply
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Autonomous Service Lifecycle Management
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SASE Use Cases
Network Transformation
Security Transformation
- MPLS to SD-WAN Migration
- Global Access Optimization
- Hybrid Cloud & Multi-Cloud
- Secure Hybrid Work
- Secure Direct Internet Access
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Secure Application &
Data Access - Incident Detection & Response
Business Transformation
Deployment Models
- Vendor Consolidation
- Spend Optimization
- M&A and Geographic Expansion
- Regional Enterprises
- Do It Yourself
- Global Enterprises
- Managed Services