Securing network infrastructure represents the first line of defense against cyber intrusions in an organization. Vulnerabilities in Wi-Fi access points or the improper configuration of active equipment can expose sensitive company data to major risks. A rigorous and proactive approach from IT administrators is essential to prevent unauthorized access and data traffic interception.
Practical security measures for network equipment
- Network segmentation (VLAN): Isolate business traffic from guest traffic by creating separate Wi-Fi networks and configure distinct segments for IoT equipment or critical departments.
- Implementing the WPA3 protocol: Transition from outdated standards (WPA2) to WPA3 for wireless communication encryption and use authentication based on the 802.1X standard for internal users.
- Changing default credentials: Immediately modify the factory passwords of all active equipment (routers, switches, firewalls) and use complex passwords, managed through a secure manager.
- Constantly updating firmware: Apply security patches as soon as they are published by manufacturers to address known vulnerabilities.
- Disabling unused services: Disable unsecure protocols such as Telnet or HTTP in favor of secure versions (SSH, HTTPS) and turn off the WPS (Wi-Fi Protected Setup) function.
Strengthening security at the network level is not only a good operational practice, but also an essential compliance requirement. Under the scope of European directives such as NIS2 or the DORA regulation for the financial sector, organizations in Romania are required to implement rigorous technical measures to protect their infrastructure. Ensuring a resilient network perimeter minimizes the risk of cyber incidents and guarantees business continuity in accordance with current legislative standards.
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