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WAF, API Security

Security Service Edge - SSE

Security forces must shift to the web as the outdated security boundary disintegrates. SSE allows businesses to use uniform cloud infrastructure while securing access to software dispersed across many data centers, SaaS solutions, and clouds. 

Willing to know more SSE meaning and beyond? Stay tuned to learn the nitty-gritty factors really quick.

Security Service Edge - SSE

Security Service Edge (SSE): A Quick Overview

The safety element of SASE that protects connection to the internet, SaaS apps, and internal apps are known as the SSE, as specified by Gartner in the Hype Cycle for Cloud Computing security in 2021. 

SSE is a group of interconnected, cloud-delivered cybersecurity agencies that facilitates protected interactions between legitimate personnel and corporate resources. It delivers sophisticated security mechanisms, for example, Zero-trust, cloud-based Firewall, SWG, etc. Users may now join from any location and, using any device, immediately access business apps and critical data stored in the cloud thanks to the advent of the flexible work environment. 

The History and Evolution

SSE was first presented by Gartner in 2021 and elaborated on what defense connectivity will resemble in the future. Because of the expansion of hybrid employment, the adoption of SaaS programs (such as M365, Salesforce, Box, etc.), and the migration of internal apps to the public cloud platform, IT executives have come to the conclusion that it is no longer appropriate to uplink user traffic data to a company's computer system. 

In order to safeguard data in a better manner, provide a better user experience, and cut expenses for the company, many IT executives are aiming to adopt modern network security equipment (such as VPN gateway appliances, firewalls, web gateway appliances, etc.).

The contemporary replacement for outdated network security mechanisms is SSE platforms. Cloud computing provides safe access to the user's specified location without needing complicated network separation, linking consumers to the company's internal network, or disclosing apps or IT architecture to the web. 

Alternatively, an SSE system provides IT to offer end users protected access to sensitive programs from any location, protected Internet access, and rapid access to corporate SaaS programs. 

By simplifying the task of network management managers in assessing the performance/behavior of the apps, devices, and networks, SSE services that integrate Digital Experience Management (DEM) can even increase user efficiency.

Main SSE services 

SSE consists of 4 leading security-specific features: 

  • CASB

Cloud Access Security Broker (CASB) recognizes and analyzes confidential data stored in cloud apps, especially cloud-to-cloud access, and implements regulatory issues, such as Auth algorithms/protocols and Single Sign On (SSO). 

Individuals are prevented from registering for and utilizing cloud services that are not permitted by a firm's IT and security protocols. By doing this, businesses may lessen the amount of phantom IT that compromises compliance and protection.

  • ZTNA

ZTNA operates on the default assumption that unless shown differently, no individual can be entrusted to handle anything. In contrast to a VPN, which grants information given unrestricted access to the company's network. ZTNA restricts user access, via a trusted broker, to just particular apps or micro segments that have been authorized for the individual.

  • Secure Web Gateway

SWG, aka a secure web gateway, applies and enforces business permissible usage regulations while also safeguarding individuals from online-based risks. A user connects to the SWG rather than the main website, and the SWG handles tasks including -

  • Web visibility
  • URL screening
  • Online access restrictions
  • Harmful content assessment

In order to give individuals safe internet service while they are not linked to the corporate VPN, SWGs are a crucial element of an overall SSE architecture. SWGs also provides companies with the ability to:

  • Depending on permissible usage regulations, restrict access to objectionable websites or material.
  • Implement their security guidelines to make web access more secure.
  • Help prevent an illegal data transmission.
  • Remote Browser Isolation

Web surfing activities are contained within a secure cloud setting by RBI, a powerful web threat prevention method. By preventing software bugs from ever touching the end user's gadget, RBI shields consumers from any spyware or harmful code that could be concealed on a webpage.

Cloud-based security technology is called FWaaS. It helps protect online information and applications. To combine traffic from several origins, including regional data centers, cloud platforms, local branches, and mobile users, SSE uses FWaaS. While offering total network transparency and management, FWaaS also consistently applies and enforces security measures throughout all facilities and consumers.

DLP makes it possible to categorize data on the basis of policies as it is being stored, used, or moved over a network in the shape of an entity, usually a document. To provide robust security to critical data items and to restrict access to and circulation of this information, particularly beyond the company, as needed by the company's policies, DLP solutions are utilized.

Why do you need SSE?

You need SSE for the following reasons:

  1. Transparency and authority

ZTNA 2.0 lowers vulnerability by mandating application-level access rather than network-level access and offers transparency and control over what individuals view. ZTNA 2.0 provides:

  • Least-privileged access in reality
  • ongoing trust assessment
  • ongoing monitoring of safety
  • safeguard all information
  • Encrypt every app
  1. Greater Safety

Via analysis, categorization, and resettling ransomware before any harm is done, CASBs prevent consumers and apps. An interconnected CASB is a key component of an efficient SSE approach since it enables businesses to stay up with the SaaS boom.

  1. SSE offers private virtual access

Organizations must protect their remote employees so they may log in from any location, as hybrid employment is the new benchmark. SSE provides zero-trust features that work under the premise that no user can ever be completely trustworthy. 

Individuals can only access portions of the system and view cloud apps pertinent to their position within the company depending on authentication, prohibiting them from obtaining and using critical corporate information.

SASE vs SSE - What's the difference? 

In order to enable a quick, safe transition to the cloud, Gartner initially proposed the Reliable Access Service Edge or SASE in 2019. It merged both security and networking techniques into a single cloud-oriented platform. 

According to Gartner, SASE functionalities are provided as a service based on the recognition of the person, real-time environment, corporate protection regulations, and ongoing risk/trust evaluation during the encounters. Individuals, categories of individuals, equipment, apps, applications, IoT systems, and edge computing sites can all have identities linked with them.

All benefits of SSE

  • Embrace important business objectives

An SSE platform can readily facilitate objectives like promoting hybrid work for workers, safely integrating the entrepreneurial ecosystem with private information, streamlining the cloud migration process, and quickening IT consolidation during M&A.

  • Provide consumers with a better experience

By expanding security forces to the edge (the user's area and gadget) through a cloud environment, SSE expands the usage of access control methods. So, it assists in reducing any delay. The end users benefit from smooth accessibility, even when they switch between the workplace and their homes, thanks to SSE systems that allow both agent-based and agentless access models.

  • Take additional security measures

Inspection-based SSE programs offer users and applications profound insight at a more precise degree than source IP and destination IP, making it easier for protection to respond to potential attacks.

What are the main problems SSE solves? 

  • Easing the management and operation of security protocols

A mixture of various and separate security procedures that fluctuate across cloud service providers and on-premises architecture must be used by companies to oversee cloud and on-premises technology. SSE enables easier acceptance and implementation of guidelines throughout on-premises, internet, and remote working conditions by lowering complexity and expense.

  • Giving access to and management of SaaS apps

Data accessed and stored in a cloud-based environment has to be visible and under supervision for companies in order to safeguard it and block threats from the cloud, such as from a single, cloud-native enforcement point. By implementing precise controls to track and manage access to both authorized and unauthorized cloud services, SSE's CASB capabilities offer multi-mode compatibility.

SSE solution

Deploying SSE

Follow these 3 major tips for deploying SSE:

  • Organize a gradual SSE migration
  • Analyzation is important before enforcing policies
  • Choose the parameters to include in SSE

Tips for choosing the right SSE solution

  • Choose providers who make managing policies straightforward

Many SSE suppliers offer SSE functionalities via bolt-on agreements. Whenever this occurs, it may take many years until such innovations are truly integrated. When it pertains to policy, this may beget different issues for IT managers. SSE alternatives that are completely implemented and leverage the same cloud result in streamlined policies.

  • For SSE, consider utilizing several suppliers

You may avoid issues like complicated resource administration, managing various user interfaces, and significant architectural incompatibilities by working with a specific supplier.

Wallarm Protection

The following are the top API security recommendations suggested by experts:

  • Identify and provide permission.
  • Put in place access control.
  • Requests and answers should be encrypted.
  • Verify the information.
  • Consider your API vulnerabilities.

Wallarm offers tools to help you easily achieve the above through its cutting-edge tools, such as -

Wallarm’s Cloud WAF analysis tool offers concise, understandable justifications for security alerts, giving perspective for application behavior and the rationale behind why particular occurrences are banned or permitted. This aids safety managers in separating important notifications from those that aren't important.

Wallarm’s API security platform lets you enable continuous monitoring for your APIs and keep threats at bay. Safeguarding APIs, it prevents you from becoming easy prey for hackers since APIs are essential to creating web-based communications.


Is SSE easy to implement?
What are the benefits of SSE?
How does SSE work?
Why do businesses need SSE?
What is Security Service Edge (SSE)?


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February 26, 2024
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