It brings security closer to users and applications, allowing proactive threat detection, real-time monitoring, and rapid response to potential security incidents.

Businesses need more than just security; they need a holistic approach to network performance and protection.

The integration of SSE, alongside other existing solutions, will help them achieve this.

Cybersecurity has become a top priority for businesses as they integrate remote work into their daily operations and rely on cloud-based services.

The ever-evolving tactics of cybercriminals demand the adoption of novel techniques and technologies to counter emerging threats.

The landscape

The cybersecurity landscape has witnessed a convergence of various attack types and motivations. Acts of sabotage, espionage, and hacktivism have become more prevalent, making it clear that the need for robust cybersecurity measures is greater than ever.

In a survey conducted by PwC, nearly half of the CEOs expressed their intent to increase investments in cybersecurity and data privacy for their respective companies.

A significant portion of these investments is likely allocated to advanced cybersecurity frameworks designed to combat the escalating threats posed by data breaches, malware, ransomware, and other security challenges.

The Rise of SSE

At the forefront of this battle is SSE. According to Gartner, by 2025, approximately 80% of enterprises are projected to adopt a strategy that unifies web, cloud services, and private application access through a single vendor’s SSE platform.

SSE consolidates multiple cybersecurity capabilities within a single cloud-native software stack, protecting enterprises and their networks against anomalies, threats, and sensitive data breaches resulting from phishing, malware, ransomware, data theft, and other unwanted access attempts to locations, applications, and resources.

SSE is a concept aimed at providing improved protection and network performance for organisations relying on cloud-based services and virtual networking.

It offers a holistic approach to security and networking, focusing on network edge security. It streamlines infrastructure, enhances efficiency, and brings security services closer to users and applications, reducing latency and improving the user experience.

SSE comprises several components that set it apart from other network security approaches:

• Network Transformation (SDN): SSE involves a shift toward cloud-based services and virtualisation, replacing traditional hardware-centric networks with software-defined networks (SDN) that provide flexibility and agility.

• Security Integration: SSE incorporates security functions into the network edge, eliminating the need for separate security appliances at multiple locations. This consolidation simplifies architecture, reduces costs, and bolsters security.

• Service Optimisation: SSE places emphasis on enhancing network performance and user experience by bringing security services closer to the network edge, reducing latency and improving responsiveness.

• Zero Trust Network Access (ZTNA): SSE can implement ZTNA principles, enforcing strict access controls, user identity verification, and device health checks to secure network resources at the edge.

• Cloud Secure Web Gateway (SWG): Integration of a Cloud Secure Web Gateway enhances web security, incorporating features such as web filtering, data loss prevention, and malware detection to protect users accessing resources via the network edge.

• Cloud Access Security Broker (CASB): CASB integration within SSE provides visibility and control over cloud services and applications, offering user authentication, access control policies, data encryption, and monitoring of cloud service usage at the network edge.

• Firewall-as-a-Service (FWaaS): FWaaS can be integrated into SSE as a vital security component, monitoring and controlling network traffic with features such as network segmentation, traffic inspection, intrusion prevention, and threat detection.

The Importance of SSE

SSE brings security closer to users and applications, enabling proactive threat detection, real-time monitoring, and rapid response to potential security incidents.

It also ensures secure access to cloud services, a critical requirement for modern business operations. The benefits of SSE include:

• Enhanced Security Posture: SSE implements proactive security measures to protect against advanced threats, with real-time threat detection, encryption, and data loss prevention.

• Secure Access to Cloud Services: It ensures secure connectivity and seamless access to cloud services, establishing secure tunnels, authenticating users, and applying security policies to safeguard data.

• Improved Network Performance: SSE minimises latency by bringing security closer to the network edge, resulting in faster and more reliable network performance, particularly for latency-sensitive applications.

• Bandwidth Optimisation: SSE optimises bandwidth utilisation by managing traffic intelligently, ensuring that critical applications receive the necessary resources.

• Cost Efficiency and Scalability: SSE streamlines network architecture, reducing the need for separate security appliances at every location. It offers scalability to adapt to changing business needs.

• Flexible Scaling: It allows organisations to adapt their network and security infrastructure efficiently as per evolving requirements.

SSE versus SASE

SSE and Secure Access Service Edge (SASE) are occasionally confused, but they serve different scopes. SASE is a broader framework that encompasses SSE, combining networking and security services in a cloud-native architecture.

SASE offers a comprehensive approach to network and security, ensuring secure access to resources regardless of the user’s location.

Components of SASE include network and security integration, identity-centric access, and a zero-trust architecture.

While SSE and SASE have distinct scopes, they can synergise. SSE can be integrated into a broader SASE framework to enhance network edge security and provide localised security services, enabling organisations to establish a comprehensive security posture across their network.

The future

By considering SSE and its potential integration into a broader SASE architecture, businesses can strengthen their security posture and optimise their network infrastructure.

SSE is not just about security; it’s about a holistic approach to network performance and protection, and we believe that the integration of SSE, alongside existing solutions, will help businesses achieve this.

A Quick History Lesson

Believe it or not, the term Software-defined Wide Area Network (SD-WAN) was first introduced back in 2014, practically ancient history when it comes to networking at the edge.

It’s now well recognised and increasingly adopted as the cloud-first way to transform WAN architecture, improving application performance, enabling more efficient connectivity, and reducing network complexity.

Secure Access Service Edge, known as SASE, describes the cloud-first architecture for both WAN and security functions, all delivered and managed in the cloud. In short, SASE is a blend of SD-WAN and cloud-delivered security.

Security Service Edge stands for SSE, the youngest of the “s” acronyms, was first described in 2021 and again this year as part of the Gartner® Magic Quadrant for SSE. As defined by Gartner, Security service edge (SSE) secures access to the web, cloud services and private applications.

Capabilities include access control, threat protection, data security, security monitoring, and acceptable-use control. SSE is primarily delivered as a cloud-based service and may include on-premises or agent-based components.

SASE as a Math Equation

Earlier, SASE was described as a combination of SD-WAN and cloud delivered security, but more specifically, it describes supporting advanced WAN edge networking functions and advanced security services, primarily delivered in the cloud.

As a math equation, it looks something like this: SASE = SD-WAN + SSE

Why The “S” Acronyms?

At the core, the “S” acronyms of SASE, SD-WAN, and SSE mean the transformation of the network and security architectures into tangible business outcomes. Over the years, Aruba has helped hundreds of customers transform legacy networks via the SASE journey, creating incremental business value realised through the automated integration of advanced SD-WAN and industry-leading SSE solutions to create a SASE architecture doesn’t compromise on either networking functionality or security services.

An effective SASE architecture entails a number of advantages:

• Users enjoy the best cloud application experience and quality, which translates into increased productivity, customer satisfaction, and most notably, business profitability
• Reduced business risk and more effective and consistent policy enforcement across the entire enterprise, protecting employees, customers, partners, and ultimately the brand image
• With a simplified WAN architecture, the organization can decrease capital and operational cost via a centralized network and security management, all the while eliminating the cumbersome backhaul of cloud-destined traffic across expensive leased-line circuits

Enterprises realise the highest return on existing and developing cloud investments

To learn more about SASE, SD-WAN, and SSE, and how they are related, including how to realise a WAN and security transformation, watch these videos from Aruba: Everything You Need to Know about SD-WAN and Everything You Need to Know about SASE.