SASE, or secure access service edge, is a new cybersecurity concept that merges WAN and network security services like CASB, FWaaS, and Zero Trust into a single cloud-delivered service model. Before getting into the details of SASE and how businesses can effectively apply it, it’s vital to have a basic understanding of the word.
How Does SASE Work?
Times change and existing network techniques and technology just aren’t capable of providing the kinds of security and access control that digital businesses require anymore. These companies expect that their employees have quick, uninterrupted access, no matter where they are, and their request is justified.
The COVID-19 and the increase of remote working and technological disruptors such as 5G have combined to speed up digital transformation and drive changes in how businesses conduct business and build their networks. The cloud is at the heart of these shifts. Companies are rapidly increasing their use of the cloud, and the more data and services that are stored there, the more critical cloud-based security becomes.
Network security has traditionally been limited within company boundaries, with all traffic passing via the data center for inspection. While highly secure, this method requires lots of resource usage and has a detrimental impact on performance and budget.
On the other hand, SASE takes most of these activities to the cloud, minimizing the user-application distance. It inspects traffic and makes services available at points of presence near the user’s geo-location, as well as deploying additional resources on an as-needed basis. Without needing to backhaul traffic to a corporate site, a SASE architecture provides protection against attacks regardless of where users are situated, guaranteeing consistent and transparent security enforcement.
Benefits of SASE for Your Company
A SASE architecture recognizes persons and devices, enacts policy-based security, and grants secure access to the desired application or data. This method enables businesses to implement secure access regardless of where their users, apps, or devices are located.
The SASE security approach can benefit your company in a number of ways.
· Reduced Costs and Complexity
SASE saves your company money in a variety of ways. Obviously, the expense of maintaining a variety of security systems is lowered when SASE is managed by a single provider. Since the SASE vendor is in charge of updating the infrastructure to guard against emerging risks, security person-hours are also cut.
SASE also optimizes security by requiring it to be enforced close to the object that needs to be protected. Rather than sending the user to security, it sends security to the user. SASE ensures low latency by proactively managing connections at online exchanges in real-time and improving connectivity to cloud applications and services.
· Reduced Attack Surface with Least Privilege Access
The principle of least privilege (PoLP) is an information security concept in which a user is granted just the access that is required to fulfil their job tasks. It’s a crucial step in safeguarding privileged access to sensitive data and assets.
According to Forrester Research, privileged credentials are involved in at least 80% of security breaches. Enforcing least privilege is a practice that helps to reduce security risk and minimize business interruption caused by mistakes or malicious intent. The least privilege is also an essential part of zero-trust tactics.
SASE uses Zero Trust Network Access (ZTNA) to apply this principle. SASE is made up of several parts, one of which is ZTNA. According to ZTNA principles, SASE controls access to all edges such as sites, mobile users, and cloud resources. This implies that businesses that use a SASE platform built around Zero Trust benefit from Zero Trust Network Access as well as a comprehensive set of network and security solutions that are easy to manage and scale.
· Consistent Edge-to-Edge Security
SASE increases security and performance by combining network and security services into a single multi-tenant cloud platform. The solution embeds sophisticated security functions such as SWG, NGFW, and DLP into its design as part of a whole network security stack, offering edge-to-edge protection.
· Centralized Access Control
Access control is a term used in cyber security to describe techniques for restricting and regulating what users can do and view. The use of a password to unlock a smartphone is a simple form of access control since only those who know the password can access the phone’s data and applications.
SASE uses centralized role-based access control (RBAC), which limits access based on a user’s organizational role. The organization assigns roles that govern each user’s permissions and access in the system.
This enables businesses to safeguard access in a more focused and adaptable manner. Employees with RBAC access just the information they need to execute their jobs, which reduces the number of people who can access or exchange sensitive data inside the organization.
· Secure and Fast Remote Access
SASE can be deployed on-premises, in the cloud, or in employees’ home offices, providing consistent user authentication and security policy enforcement wherever it’s needed. A reliable SASE provider offers protection to the heart of the transaction, ensuring a smooth, optimal experience for your employees regardless of their location, the device of choice, or mode of transportation.
· Enhanced and Optimized Performance
SASE applies security measures in a single-pass parallel processing technique, therefore minimizing latency and enhancing application and network performance. Every program has its own set of performance needs. Some are highly latency-sensitive, whereas others aren’t. SASE allows IT teams to create policies that direct traffic to the most suitable routes.
Also, a SASE design can reduce client-to-cloud latency and manage seasonal traffic swings with an on-demand, pay-as-you-go strategy by bringing security to where the users and traffic are.
With numerous security solutions defending against risks like data loss, unauthorized access, and malware, a SASE platform provides a stronger foundation for securing both enterprise and employee devices. Since SASE has become such a popular concept, many manufacturers use the label on their existing services without genuinely delivering the benefits of a SASE platform. We advise you to do some research and use a credible and authentic SASE vendor.
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