Comparing SSE vs SASE: Security Service Edge

As the world increasingly depends on cloud services, cybercriminals have increased their interest in infiltrating and gaining access to them. Cloud-based applications can become infected with malware, and employees can inadvertently spread data and information to the wrong people through the cloud. This is happening increasingly when employees are working remotely from unsecured connections.

These threats and challenges have prompted businesses to seek a security solution to protect them while working from the cloud. Our Security Service Edge (SSE) solution is among the best available cloud security options.

What Is the Security Service Edge (SSE), and Why Is It Important?

The Security Service Edge (SSE) is a cloud-based security architecture designed to protect enterprise applications and data as they move across the internet. By consolidating multiple security functions into a single platform, SSE helps organisations simplify their security posture, improve visibility, and reduce costs.

What is Security Service Edge (SSE)?

Security Service Edge (SSE) is a purpose-built cloud platform that integrates various specialised security applications and services under one roof. SSE’s four major security components, or core services, are SWG, ZTNA, CASB, and FWaaS. If you are unfamiliar with these abbreviations, don’t worry; they are explained in more detail in this article.

One of the primary ideas behind Security Service Edge is improving cloud data storage and security. This offers several advantages, as you no longer need legacy technologies that can no longer keep track of communications between users and cloud applications. In addition, you will no longer have to invest in the maintenance of traditional hardware, which can be expensive and time-consuming to install.

With an end-to-end SSE solution, there will be no threats to connection times and processing because it doesn’t rely on user traffic through the data centre using a VPN for scanning. Traditional systems often slow down processing time and pose major security vulnerabilities as VPNs are made easier to exploit due to their lack of patches. These are just a few of the advantages of SSE over traditional solutions.

Is SSE Targeting Individuals or Companies?

SSE is an emerging concept introduced in 2021 to help organisations deal with cloud-intensive work and growing data warehousing. It was primarily created to enable businesses to hire remote employees and keep their data in the cloud. This now means that a company can rely on a Security Service Edge solution to keep its data and information secure, even as it is increasingly distributed in the cloud.

Relying on data in the cloud can make information more vulnerable if it is not adequately protected, especially when employees access this data from remote locations worldwide, which can be insecure in many cases. In theory, anyone can use an SSE solution to secure their cloud, which certainly has huge advantages for individuals. However, due to the complexity of SSE, it is still intended for organisations that rely on cloud workloads.

What Are the Core Services of SSE?

SSE offers a comprehensive suite of security services, including secure web gateways (SWG), cloud access security brokers (CASB), zero-trust network access (ZTNA), and firewall as a service (FWaaS). These services work together to provide granular control over network access, protect sensitive data, and prevent threats from reaching the enterprise.

Secure Web Gateway (SWG)

Secure Web Portal is a proxy anti-browser malware solution that detects and filters web traffic, just as an airport check officer does. In simpler words, it provides a secure gateway between the Internet and the cloud. It achieves this by applying both traditional and modern techniques to filter traffic and allow only content to pass through. These techniques are also useful in stopping data leakage and preventing risky user behaviour.

Zero Trust Network Access (ZTNA)

The zero-trust security model is a security mindset based on the premise that no one inside or outside the network (any person, system or device) should be “trusted” to access your network. This means that ZTNA will create identity-based access limits across your cloud application and help you provide remote access to certain parts of your organisation based on the cloud.

Cloud Access Security Broker

CASB acts as a policy enforcement service that helps securely access cloud applications through the unauthorised use of Software as a Service (SaaS), Infrastructure as a Service (IaaS) and Platform as a Service (PaaS). It will consolidate multiple security policies and apply them to everything like Control Point does. CASB features also include the following:

1. Malware detection.
2. Data encryption and key management.
3. Data loss prevention.
4. Cloud management and risk assessment.
5. Firewall as a Service (FWaaS).

FWaaS works like a traditional firewall, except it’s cloud-based. The primary advantage of FWaaS over a traditional firewall is that it allows users to set a custom barrier between the private cloud and all network systems connected to it. FWaaS also comes with next-generation firewall (NGFW) features.

Cloud Security Mode Management (CSPM)

CSPM continually improves cloud security by actively detecting and checking system misconfigurations and providing compliance assurance.

In general, Security Service Edge can count on more security functionality than those mentioned above. Some will even allow you to complement existing solutions, but the real value of an SSE solution is consolidating all into one operation centre.

What Are the Main Advantages of SSE?

The Security Service Edge has three key advantages over most traditional network security solutions, which can be integrated to work with the cloud.

Cloud Security Standardisation

Security Service Edge’s ability to integrate and standardise core security services offers a significant advantage over traditional network security solutions. Here’s a breakdown of how this standardisation benefits organisations:

1. Unified Management: By consolidating multiple security services under a single platform, SSE simplifies management and reduces the risk of human error. This allows security teams to focus on strategic initiatives rather than day-to-day operational tasks.
2. Improved Efficiency: Standardisation eliminates the need for complex integrations between different security tools, improving overall efficiency and reducing the likelihood of security gaps.
3. Consistent Protection: All data is subjected to the same security policies and controls, ensuring consistent protection across the organisation. This helps to reduce the risk of data breaches and data loss.
4. Enhanced Visibility: SSE provides a centralised view of security operations, making identifying and addressing potential threats easier. This improved visibility can help organisations respond more effectively to incidents.
5. Reduced Complexity: Consolidating security services simplifies the overall security architecture, reducing complexity and making it easier to manage and maintain.

Improve Risk Reduction in the Cloud

SSE’s cloud-based nature provides a significant advantage in risk reduction. Traditional on-premises security solutions often struggle to keep up with the dynamic nature of modern work environments, especially as more employees work remotely and access applications from various devices. Here’s a breakdown of how SSE addresses these challenges:

1. Simplified Management: Managing multiple security solutions can be complex and time-consuming. SSE simplifies security management by consolidating various functions into a single platform, reducing administrative overhead and the risk of human error.
2. User-Centric Security: SSE follows users rather than relying on static network perimeters. This means that security policies and protections are applied consistently, regardless of the user’s location or device.
3. Consistent Enforcement: By centralising security functions in the cloud, SSE ensures that all users are subject to the same security standards. This eliminates inconsistencies and potential vulnerabilities that can arise from disparate security solutions.
4. Elimination of Security Gaps: Traditional network-based security can leave gaps in protection, especially for remote users. SSE’s cloud-based approach helps to close these gaps by providing consistent security across all access points.

Zero Confidence Strategy

SSE’s zero-trust strategy, implemented through ZTNA (Zero-Trust Network Access), significantly boosts cloud security. Traditional network security models assume that all devices within a network are trusted. This approach is vulnerable to breaches, as compromised devices can serve as entry points for attackers. Here’s how SSE’s zero-trust strategy works:

1. Identity-Based Access: ZTNA grants access to cloud-based applications based on the user’s or device’s identity rather than their network location. This means that even if a device is compromised, access will be denied unless the user’s identity can be verified.
2. Continuous Verification: ZTNA continuously verifies the identity and health of devices and users before granting access. This helps to detect and prevent unauthorised access attempts, even if the initial authentication was successful.
3. Micro-Segmentation: ZTNA can be used to create micro-segmented networks within the cloud, limiting attackers’ lateral movement within the environment. This helps to contain the impact of a successful breach.
4. Reduced Attack Surface: ZTNA helps reduce the overall attack surface by limiting access to cloud applications based on identity and security policies. This makes it more difficult for attackers to discover and exploit vulnerabilities.

Should the End User Care About SSE?

As mentioned earlier, SSE is designed for large organisations. However, the concept and implementation of SSE are important in the security field because they help companies embrace the idea of a unified security platform in the cloud. As it is, it may not seem important to you. But remember, most security trends start with large organisations and eventually become available and affordable to end users.

What Is the Difference between SASE and SSE?

The first era of cybersecurity relied on firewalls, on-premise web proxies, sandboxes, security information and event management (SIEM), and endpoint security tools. Today, more and more data is moving outside the network perimeter, beyond the reach of firewalls, which in any case, are unable to interpret cloud traffic. In addition, more and more endpoints connecting to the web, corporate resources, and data are BYOD. Traditional control points don’t provide a complete picture of what’s happening to our data. In summary, the picture of extremely unreliable supervision of corporate data emerges.

Let’s try to understand how an SSE approach, if implemented correctly, can help keep data safe in the cloud!

Security Must Follow the Data

Today, we have a vast amount of traffic that a traditional web proxy or firewall cannot understand or see. We have users everywhere, applications in multiple clouds, and data accessible from anywhere. That said, you need a security inspection point that follows your data wherever it goes. If that inspection point has to follow the data, it needs to be in the cloud to provide benefits to users and applications.

Security Must Be Able to Decrypt Cloud Traffic

Decoding cloud traffic means that security must be able to see and interpret JSON API traffic, which web proxies and firewalls cannot.

Why Decrypt Cloud Traffic?

There are various reasons behind decrypting cloud traffic:

1. Visibility: Decrypting cloud traffic allows security solutions to see the data’s actual content, providing a deeper understanding of potential threats and vulnerabilities.
2. Threat Detection: Security systems can detect malicious activity, such as data exfiltration, malware, and unauthorised access attempts, by analysing the content of cloud traffic.
3. Compliance: Many industries have regulations that require organisations to monitor and audit network traffic. Decrypting cloud traffic is essential for ensuring compliance with these requirements.

The Role of JSON API Traffic

The following points can help you understand the role of JSON API traffic:

1. Modern Communication: JSON (JavaScript Object Notation) is a widely used data format for communication between applications. It’s particularly common in cloud environments due to its flexibility and ease of use.
2. Data-Rich Traffic: JSON API traffic often contains sensitive data, such as user credentials, financial information, and intellectual property, making it a valuable target for attackers.
3. Limitations of Traditional Security: Traditional security tools like web proxies and firewalls may struggle to decrypt and inspect JSON API traffic effectively, leaving organisations vulnerable to attacks that exploit the complexity of this data format.

Security Must Be Able to Understand the Context Surrounding Data Access

“We need to move beyond a simplistic approach to access control. Instead, we should implement real-time, continuous access and policy controls that dynamically adapt based on various factors. These factors include:

1. User identity: Who is trying to access the data?
2. Device information: What device is being used (e.g., corporate laptop, personal smartphone)?
3. Application context: Which application is being accessed (e.g., corporate email, personal social media)?
4. User behaviour: What actions is the user taking within the application?
5. Application instance: Is the user accessing the corporate or personal instance of the application?
6. Data sensitivity: How sensitive is the data being accessed?
7. Environmental factors: Where is the user located (geolocation) and what time of day is it?
8. Threat intelligence: Are there any known threats or vulnerabilities that could affect the access request?

Security Can’t Slow Down the Network

Users expect fast and reliable network access to their data. If security measures slow down performance or disrupt operations, productivity will suffer. In extreme cases, users may resort to dangerous workarounds like bypassing security controls to regain speed and reliability.

While moving security controls to the cloud can improve performance in some cases, it doesn’t guarantee a smooth experience. The internet, often called the “dirty place,” can introduce various routing and latency issues impacting network performance.

Private networks offer a solution by providing a dedicated, secure path between the end user and their destination. This ensures a more predictable and efficient connection, reducing the risk of performance bottlenecks and security vulnerabilities.”

SSE Means “Take Control”

Due to all these needs, the traditional perimeter has disappeared, and it is necessary to move the inspection point. SSE provides that inspection point, or rather, many distributed inspection points that come as close as possible to where and how the data is accessed, whether in the cloud or a private application.

All of this has profound implications for how security and infrastructure are designed and why SSE and SASE are needed to be well organised. Let’s think of it this way: if 90% of security spending is focused on on-premises security, but 50% of applications and 90% of users are off-premises, security has already been “stretched to the max”. ” a rubber band. It’s trying to transfer security from the on-premise model to tasks it wasn’t designed to do, creating strain on the business that could lead to eventually snapping that rubber band, breaking the security, which just won’t work.

The last one of the four points listed above refers to the network. Too often, historically, we’ve departed from the network to address security issues, and that’s because we often assumed that our data was on our network and that the network was secure. But now, our data isn’t on our network, and our users aren’t on our network. This does not mean you should ignore the need for network security, nor does it reduce the importance of issues such as access control. It just means that some lines are not so sharp but blurry, and we must realise that.

With an SSE approach, Internet inspection points are in the right place, cloud, web and data inspection capabilities are consolidated, and most importantly, all these inspection capabilities are activated atomically, all at the same time, not in sequence or one at a time.

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