Beyond the Perimeter: Securing the Modern Attack Surface with SASE

Beyond the Perimeter: Securing the Modern Attack Surface with SASE

Cybersecurity and cyber threats have evolved in the last few years, and organizations grapple with the pace of digital transformation that has reshaped how we work, communicate, and conduct business. As traditional network security solutions struggle to keep pace, a new paradigm emerges that transcends boundaries and redefines how we approach cybersecurity.

This paradigm is known as Secure Access Service Edge (SASE), a revolutionary framework that addresses the limitations of conventional security models and fortifies organizations’ security postures in the face of modern cyber threats.

According to Market Research Future, the Secure Access Services Edge (SASE) Market Size reached USD 5.28 billion in 2022. Over the forecast period (2023 – 2032), the industry is anticipated to witness substantial growth, with projected revenues ascending from USD 7.11 billion in 2023 to USD 42.86 billion by 2032, marking a robust compound annual growth rate (CAGR) of 22.1%.

The Evolving Security Landscape

The digital transformation of recent years has brought about unprecedented advancements in technology. Cloud computing, mobile devices, and the Internet of Things (IoT) have become integral parts of our daily lives, both personally and professionally. However, with these technological strides come new challenges for cybersecurity.

The attack surface has expanded beyond the traditional network perimeter, encompassing various endpoints, applications, and network locations. The modern attack surface concept acknowledges that threats can emerge from anywhere, making it essential for organizations to adopt a more comprehensive and adaptive security approach.

Limitations of Traditional Network Security Solutions

Traditional network security solutions, primarily built around perimeter-based models, need to address the complexities of the modern attack surface. The conventional approach relies on the idea of a well-defined perimeter, assuming that securing the outer boundaries is sufficient to safeguard the entire network. However, this assumption needs to be revised in the current digital orbit.

Remote workforces and the prevalence of cloud-based applications challenge the effectiveness of traditional security architectures. Perimeter-based models must factor in accommodating the flexibility and scalability required to support a dynamic and dispersed workforce. As a result, there is an urgent need for a security paradigm that transcends the limitations of traditional models like VPN.

Introducing SASE: A Unified and Cloud-Based Approach

Secure Access Service Edge emerges as a transformative solution to the challenges the modern attack surface poses. SASE represents shifting from traditional, hardware-centric security architectures to a software-defined cloud-native approach. The fundamental idea behind SASE is to converge networking and security functions into a unified framework, creating a holistic solution that adapts to organizations’ evolving needs.

How SASE Works

Secure Access Service Edge operates on the principles of Software-Defined Wide Area Networking (SD-WAN), Cloud Access Security Broker (CASB), Firewall as a Service (FWaaS), and Zero Trust Network Access (ZTNA). These components work together seamlessly to provide a comprehensive and flexible security posture.

SD-WAN (Software-Defined Wide Area Networking)

SASE leverages SD-WAN to optimize and secure connectivity between different network locations. SD-WAN allows organizations to dynamically route traffic based on real-time conditions, ensuring optimal performance and reliability.

CASB (Cloud Access Security Broker)

SASE incorporates CASB to provide visibility and control over cloud-based applications. This is particularly crucial as organizations increasingly rely on cloud services. CASB ensures that security policies are consistently applied across various cloud applications, preventing data breaches and unauthorized access.

FWaaS (Firewall as a Service)

SASE integrates FWaaS to deliver firewall capabilities from the cloud. This enables organizations to implement and manage firewall policies without needing physical appliances. FWaaS’s cloud-native architecture ensures scalability and adaptability to changing security requirements.

ZTNA (Zero Trust Network Access)

SASE embraces the Zero Trust model, which assumes that no entity, whether inside or outside the network, should be trusted by default. ZTNA ensures that every user and device is verified and authenticated before granting access to resources. This approach enhances security by minimizing the potential attack surface and preventing lateral movement within the network.

Importance of SASE in Modern Cybersecurity

The significance of Secure Access Service Edge in modern cybersecurity cannot be overstated. In an era where the network perimeter is no longer clearly defined, organizations need a solution that provides secure access regardless of the user’s location or device. SASE accomplishes this by shifting the focus from protecting the perimeter to safeguarding each access point.

One of the critical advantages of SASE is its ability to support the needs of a dispersed workforce. With the rise of remote work, employees access corporate resources from various locations and devices. SASE ensures that these connections are secure, implementing consistent security policies regardless of whether the user is in the office, at home, or on the go.

Furthermore, SASE enhances visibility and control over network traffic. By consolidating security functions in the cloud, organizations gain a unified view of their network activity. This visibility enables faster threat detection, response, and mitigation, reducing the dwell time of cyber threats within the network.

Anunta: A Leading SASE Solution Provider

Partnering with a trusted solution provider is crucial in the journey towards embracing Secure Access Service Edge. Anunta is a leading provider of SASE solutions, offering expertise, reliability, and innovation to organizations seeking to fortify their security posture in the modern digital landscape.

Anunta provides a seamless suite of Secure Access Service Edge (SASE) solutions (Citrix Secure Private Access, VMware SASE, and Palo Alto cybersecurity solutions among others) tailored to bolster your network against ever-evolving cyber threats.

Anunta’s SASE solutions guarantee consistent security and performance for users worldwide through a cloud-based architecture that transcends physical boundaries.


There needs to be more than the traditional approach to network security, built around a well-defined perimeter, to protect organizations in the face of modern cyber threats. The evolving attack surface demands a more comprehensive, adaptive, and unified solution. Secure Access Service Edge emerges as the answer, offering a cloud-based software-defined framework that transcends the limitations of traditional security models.

Organizations looking to enhance security posture and adapt to the evolving digital landscape should consider embracing SASE. The shift towards a unified and cloud-based approach not only addresses current challenges but also positions organizations to tackle emerging threats in the ever-changing world of cybersecurity proactively. It’s time to move beyond the perimeter and embrace the future of cybersecurity with SASE.



Anunta is an industry-recognized Managed Desktop as a Service provider focused on Enterprise DaaS (Anunta Desktop360), Packaged DaaS, and Digital Workspace technology. We have successfully migrated 600,000+ remote desktop users to the cloud for enhanced workforce productivity and superior end-user experience.