Secure Access Service Edge (SASE) is a security framework that combines SD-WAN and Zero Trust security solutions into a cloud-based platform to securely connect users, devices, and networks to applications and resources. SASE grants network and app access based on user and device identity, and is cloud-native, delivering both infrastructure and security through the cloud. This way, access to networks and applications need not depend on a localized data center, thereby speeding up operations while also maintaining robust security at the same time.
SASE solutions can be further powered with Data Loss Prevention (DLP) tools, to help embed strong data protection directly into existing control points. SASE also integrates with Network Management tools to combine network and security functions into a unified, cloud-based framework that simplifies monitoring, policy enforcement, and threat management across distributed networks.
The 5 Key Components of SASE
SD-WAN: A Software-Defined Wide Area Network (SD-WAN), one of the main components of SASE, is a network architecture that leverages software to create virtual endpoint connections that optimize user traffic while allowing for flexible policy management and encryption.
SWG: SASE includes a Secure Web Gateway (SWG), which is a web security service that prevents unauthorized traffic from accessing a network by using technologies like malicious code detection, malware elimination, and URL filtering to block threats before they penetrate the system.
FWaaS: Firewall as a Service (FWaaS) is a component of SASE that shifts firewall protection to the cloud, enabling secure connections for remote and mobile workforces, while enforcing consistent security policies across locations.
CASB: SASE includes Cloud Access Security Brokers (CASBs) which is a SaaS application that acts as a security checkpoint between on-premises networks and cloud applications. It enforces data security policies, detects malicious behavior, and alerts administrators to compliance violations.
ZTNA: Zero Trust Network Access (ZTNA) is a component of SASE, providing a cloud-based security framework that continuously verifies and grants access on a least-privileged, need-to-know basis to users, devices, and applications, eliminating the challenges and risks of traditional VPNs.
Popular Use Cases of SASE
Enables the smooth provisioning of a remote and/or hybrid workforce: SASE provides secure and efficient access to business resources for remote and hybrid employees by combining network and security services in the cloud.
Helps secure IoT devices: SASE protects IoT devices from cyberthreats by applying consistent security policies and threat protection across distributed networks.
Streamlines the scaling of cloud resources: SASE integrates networking and security in the cloud so that organizations can easily scale cloud resources with optimized network performance and security.
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