In today’s digital era, businesses are increasingly complex in their network environments and face increasing security challenges. Whether through teleworking or by using their own equipment (BYOD) policies, firms need to address the potential risks of different types of equipment, users, and access.
Internal security issues facing enterprises
The internal security problems of the enterprise are often more complex and hidden than external attacks, as is often the case with the internal security management challenges faced by the enterprise:
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Equipment management is difficult
As employees tend to use their own equipment (BYOD), there are a wide range of access devices in the enterprise network, including those provided by companies and brought by staff. The security of these equipment is so mixed that it becomes a major challenge to the safety of the enterprise’s network without proper equipment management mechanisms.
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Dynamic access control requirements
Traditional access controls (such as static IP controls, fixed access rights, etc.) no longer meet modern enterprise requirements for flexible access and fine-tuning of privileges. For example, some employees may need only access to specific documents or applications, while others require broader competencies.
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Inadequate protection against internal threats
Internal threats are often initiated by legitimate users, such as employees or partners, and it is difficult to prevent them effectively through traditional external protection.
Network access control system: core tool for optimizing internal enterprise security management
The network access control system (NAC) is an important tool for enterprises to improve the efficiency of their network security management and reduce safety risks. Through NAC, companies can achieve full certification of equipment and users connected to the network, fine-particle access controls, real-time monitoring and response capabilities, thereby enhancing internal security protection capability within the enterprise.
1. Equipment certification and compliance inspections: ensure the safety of each equipment
The NAC system, by conducting a health check of the equipment, ensures that all equipment connected to the network meets enterprise safety standards. Whether personal equipment is used by employees or issued by companies, it automatically monitors compliance with its operating system version, patch updates, security configuration, etc.
For example, NAC can check whether equipment has the latest operating system patches installed, if there are known security gaps, and even verify that an anti-virus software or firewall is activated. If a device does not meet these requirements, NAC will deny it access to the enterprise network or only to restricted network areas to ensure the safety of the business network.
2. Dynamic access control: competency management based on identity, equipment and time
The NAC system, through dynamic access controls, can adapt its access rights in real time to the identity of the staff, equipment health status, time of access and geographical location. For example, when an employee uses company equipment to access sensitive data during normal working hours, the system provides full access; and when the employee tries to use uncertified equipment during off-time hours, it limits his access rights and ensures the security of sensitive data.
In addition, NAC systems can allocate competencies to different players to ensure that they only access work-related resources. For example, sales personnel may only have access to customer information, while developers may have access to the code library in the development environment. Through fine competency management, NAC systems effectively avoid the risk of abuse and data disclosure.
3. Real-time surveillance and detection of abnormal behaviour: rapid identification of potential threats
NAC systems not only enable authentication of equipment when it accesss the network, but also continuously monitor equipment and user behaviour in the network. Through real-time analysis of user access behaviour, NAC systems can detect any unusual activity or potential security threat in a timely manner. For example, they can detect employees accessing sensitive data during off-the-clock hours or through unused devices, automatically trigger alarms and take appropriate protective measures.
The system will immediately detect and take measures to ensure that malicious activities do not spread to other parts of the enterprise. With real-time surveillance and unusual behavior detection, the NAC system can significantly improve the ability of an enterprise to respond to internal security threats.
4. Overall support to BYOD: ensuring flexible work in parallel with security management
The NAC system ensures that employees’ personal equipment is connected to the enterprise network with security guarantees. Through health checks of staff equipment, it ensures compliance with business safety policies, such as whether data encryption has been introduced and whether anti-virus software has been installed.
For remote office staff, NAC also has the ability to adapt access rights to the dynamics of the location and equipment of the employees, ensuring that they can safely access the resources of the enterprise even when they travel abroad and use personal devices. Through smart access controls, enterprises not only support flexible working patterns but also ensure information security.
NATSHEL_BRAD Web access control system: enabling enterprises to upgrade internal security management
As a leading provider of cybersecurity solutions,NATHHEL_BRANDTwenty years of technological accumulation and innovation have provided firms with highly customized network access control systems. NATSHEL_BRAND’s NAC system not only has a strong equipment authentication and dynamic access control function, but also provides real-time monitoring and smart response to help enterprises upgrade their internal security management.
NATHELL_BRAND’s NAC system can provide tailored solutions to the size of an enterprise, its industry characteristics and security needs, ensuring that the network remains safe and efficient in a complex environment. Whether it responds to the management needs for self-contained equipment or meets flexible competency controls, NATSHEL_BRAND provides sound support to secure business information.
Business network security is not just about preventing external attacks, but more importantly, about safeguarding internal management. The Network Access Control System (NAC) is an innovative security management tool that helps businesses to optimize their internal security management and effectively protect against internal threats through equipment certification, dynamic access control, real-time monitoring and smart response functions.
NATHHEL_BRANDTwenty years of technological deposition and industry experience have provided businesses with a flexible, secure and reliable set of NAC solutions to help them secure information in an increasingly complex network environment. Through the NAC system of NatShell, enterprises can achieve more sophisticated competency management, more efficient security protection, and more flexible work models that make their internal security management more efficient and intelligent.