Revolution in the network security industry: SASE technology
Nowadays, when companies are increasingly moving their applications and services from their own data centers to cloud storage, the issue of ensuring network security is becoming more relevant. In this context, the concept of Secure Access Service Edge (SASE) emerged, which rethinks the approach to network security, offering a comprehensive solution for protecting information and ensuring access to it. In this article, we will look at why SASE technology is needed, where it is used, what it consists of, how it is related to VPN, and we will discuss its prospects in the field of information security.
What is SASE: essence, scope of use and constituent elements
SASE technology arose in response to changing network security requirements in the context of the growing role of cloud services and remote work of employees. It is designed to provide secure access to cloud resources and local networks , as well as to protect against cyber threats in the digital world.
SASE is an innovative security technology that combines software-defined networking (SDN) and network security into a single cloud-based model. This integrated approach to secure edge access is delivered from a single provider, creating a complete solution to protect your organization's network and data.
Already today, SASE is widely used in corporate networks, where it is important to ensure secure access to data from both internal and external devices and networks. It is used by companies in various industries, especially those that are actively implementing cloud technologies and providing access to applications and services from different locations.
SASE solutions consist of several component parts, after familiarizing yourself with which you can understand in detail the whole concept of Secure Access Service Edge:
- Secure Web Gateways (SWG). SWGs are specialized devices or software solutions that monitor and filter web traffic passing through an organization's network. They detect and block malicious or unwanted websites, applications, and content, protecting your network from threats like malware, phishing, or malicious attack scripts. SWG can also provide access control functions and authentication, ensuring compliance with security policies.
- Cloud Access Security Brokers (CASBs). Designed to monitor and control access to cloud applications and services used in the organization. They detect and analyze user activity in cloud environments, identify security risks and prevent unauthorized access. CASBs also provide data encryption, control over access rights, and monitoring the use of cloud resources to ensure compliance with security and regulatory rules.
- Virtual firewalls-as-a-service (FWaaS). They are virtual instances of firewalls in the form of a cloud service. They work at the network level to filter and control traffic entering and leaving an organization to prevent unauthorized access and attacks. FWaaS allows you to easily scale and adapt network perimeter protection depending on needs and changes in the network infrastructure.
- Zero Trust Network Access (ZTNA). ZTNAs are reimagining the traditional security model by removing the assumption of trust in internal networks and devices. Instead, ZTNAs provide access control based on authentication and attributes of users, devices, and request context. They provide secure access to network resources regardless of location or device type, making them ideal for today's environments where mobility and remote work are becoming increasingly common.
- Other additional features. Data leak prevention (DLP) - detects and prevents unauthorized disclosure of confidential information. Identity and access management (IAM) - managing users, their access rights and authentication. Intrusion detection and prevention systems (IPS/IDS) - monitoring network traffic to detect and prevent unauthorized access attempts and attacks.
VPN: functional part of SASE
VPN technology is part of the overall SASE solution, providing a secure connection for remote access to an organization's network. Cloud VPN, which can be used as a VPN-as-a-service (VPNaaS), can be integrated into the SASE concept. This allows organizations to expand secure network access capabilities based on cloud infrastructure, providing flexibility and scalability in providing remote access to employees and clients.
SASE, in turn, can expand the functionality of a VPN by adding other layers of security, such as access control to cloud applications, traffic monitoring and data leak prevention.
In short, SASE opens up new possibilities for securing your network in the face of growing infrastructure complexity and cybersecurity threats. It represents an innovative solution that combines advanced security technologies with network services and has the potential to become the standard in information security. The combination of SASE with VPN technology opens up new horizons for secure work in the modern digital world.
Private VPN server: a reliable component of modern security concepts
A private VPN server has the potential to become an important element within the SASE concept, providing a secure and convenient way to remotely access an organization's network. It can be configured to establish an encrypted connection using security protocols such as IPSec or OpenVPN to protect transmitted data from interception or unauthorized access.
In addition, the private VPN server can be integrated with other SASE components, such as cloud application access control, monitoring and data leak prevention systems, to create a comprehensive solution for ensuring the security of the organization's network and data.
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