Network Security ServicesNGFW Managed. Network Segmented.
24/7 Monitored. Not Just Installed.

Gradius managed network security services include: next-generation firewall management — active rule management, threat intelligence feed updates, firmware patching, IPS tuning, application control policies, and policy review; network segmentation — VLAN implementation and maintenance, firewall rule management between segments, and segmentation updates as the network changes; wireless security — WPA3/WPA2-Enterprise configuration, isolated guest networks, wireless IDS/IPS, rogue access point detection, and quarterly wireless security assessments; remote access security — zero-trust network access configuration or VPN with mandatory MFA; 24/7 network monitoring — traffic analysis, anomaly detection, lateral movement identification, and command-and-control detection with SOC review; and network vulnerability scanning — network device firmware vulnerability identification, open port and protocol assessment, and device patching. Flat-rate per location, all environments.

A basic firewall that controls inbound and outbound traffic by port and IP address addresses one attack vector — direct external connections that match blocked rules. What it doesn't address: sophisticated phishing and malware that enters through email or web browsing (user-initiated connections that pass through the firewall); lateral movement by an attacker who is already inside the network (internal traffic between devices that the perimeter firewall doesn't inspect); wireless networks that sit alongside or within the corporate network; remote access that extends full network trust to connected devices; and the network devices themselves, which have firmware vulnerabilities that must be patched. Modern network security requires multiple overlapping controls — each addressing an attack vector that the others don't cover — managed actively rather than installed once.

Network segmentation divides a business network into isolated zones so that a compromise in one zone doesn't automatically give an attacker access to everything else. Whether your business needs it depends on what's on your network and how damaging a lateral movement attack would be. If your network contains: financial systems that should be accessible only to accounting staff; servers with sensitive client data that general staff don't need to access; IoT devices (smart TVs, building systems, printers) that may have weak security; clinical systems at a healthcare organization; or any systems where a ransomware infection spreading to adjacent systems would be catastrophic — then segmentation provides meaningful protection. For most NJ, NY & CT businesses with more than 15–20 employees, some degree of network segmentation addresses meaningful risk. A network assessment identifies whether your specific environment would benefit and what the implementation would look like.

Attackers who have gained initial access through phishing or credential theft typically don't immediately cause visible damage — they use their access to gather intelligence, move laterally to reach higher-value systems, and establish persistence before taking any action that would be noticed. This activity generates network-level indicators that monitoring detects: devices communicating with known command-and-control infrastructure, unusual internal traffic between devices that don't normally communicate, connections to file-sharing services used for data exfiltration, authentication activity at unusual hours, and scanning behavior that indicates an attacker is mapping the network. Network monitoring doesn't just see external attacks — it sees what's happening inside the network after an attacker has entered. The SOC reviews these indicators and can initiate containment before the attacker achieves their objective, reducing the impact of a breach that endpoint security didn't stop at the initial access point.

No long-term lock-ins. We offer month-to-month and annual agreements. Businesses stay with Gradius network security because the firewall is actively managed rather than running on installation-day rules, network monitoring is catching the activity that indicates active threats, segmentation limits the blast radius of incidents that do occur, and network device firmware is current rather than years behind on patches. We earn the renewal every month through performance.

We serve 12+ industries in NJ, NY & CT including healthcare, legal, financial services, construction, manufacturing, real estate, insurance, architecture, professional services, restaurants, nonprofits, and general business — each with specialized compliance and operational expertise built in.