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Network Security · Melville

Network Security in Melville, NY

Melville offices sit in multi-tenant buildings on Route 110, Walt Whitman Road and Baylis Road, where a landlord's network, a shared riser and one internet circuit often stand between staff and their work. NetSys designs, runs and watches the firewall, switches, Wi-Fi and remote access, and our engineers install the hardware in your suite.

All IT services in Melville, NY

The short answer

NetSys provides network security in Melville, NY: managed Cisco Meraki or Fortinet firewalls, segmentation that keeps servers, phones, cameras and guests apart, secure Wi-Fi, remote access behind multifactor sign-in, and a second internet path that takes over when the main circuit fails. Melville is inside our on-site area, about an hour from our Park Slope office, so engineers install and replace equipment in person while firmware, rule changes and alert response run remotely. Firewall monitoring never stops, and the cost sits inside the per-user managed IT fee or is quoted as a project.

Service information by The NetSys Group. Our editorial standards.

How network security is delivered in Melville

A network engagement in Melville starts with a site visit. An engineer drives out from Park Slope, roughly 39 road miles and about an hour on the Long Island Expressway when traffic is light, and walks the suite: the demarcation point where the carrier's circuit lands, the closet, every switch and access point, and anything the landlord or a previous tenant left behind. Installation day is in person too, with the new firewall racked, VLANs cut over and Wi-Fi tested at the desks where people actually sit. After that, the work moves to our side of the connection. Configuration backups, firmware updates, VPN accounts and rule reviews are handled remotely through the Meraki or FortiGate console, and if a unit fails, the engineer brings a replacement that was configured before it left Brooklyn. Monitoring runs 24/7 from Brooklyn, and so does emergency service. Our staffed help-desk hours are 4 a.m. to 11 p.m. Eastern time, seven days a week. The proposal states severe-incident escalation, authorized remediation and any other after-hours work.

Shared buildings, landlord networks and the demarc closet

Many Melville companies lease suites in large multi-tenant buildings, the Huntington Quadrangle complex among them, where tenants share risers, telecom rooms and sometimes the building's own Wi-Fi. That arrangement creates three recurring problems. A tenant network can end up bridged to the landlord's building-management or camera equipment, so one compromise travels. A circuit may terminate in a basement demarc the tenant cannot reach after hours. And a suite carved out of a larger floor often inherits switches and cable runs nobody documented. We separate your traffic from anything the building controls, label every port and patch in IT Glue, place a firewall you own at the edge, and agree closet access with property management before cutover, so an outage at 7 a.m. never waits on somebody finding a key.

What Route 110 firms need from their networks

Tenants along the corridor run very different traffic on very similar floors. An accounting practice needs its tax and document systems reachable from home in March without opening a port to the internet. An insurance agency's agency management system and its phones have to ride through a circuit failure. A medical billing company handles health information that the HIPAA Security Rule expects to be access-controlled and logged. A distributor's head office links to a warehouse a few exits away over a site-to-site tunnel. For each, we split the network into zones for staff devices, servers, voice, printers and cameras, guests, and card terminals where they exist, so a compromised printer or a visitor's laptop cannot reach a file server. Remote staff connect through a client VPN that demands multifactor sign-in, and cloud apps sit behind Entra ID Conditional Access.

Circuits, failover and the storms that test them

Fiber reaches much of the corridor. Optimum Business, Verizon Fios and Lightpath are the options to check at your address, and the right primary depends on which one is already in your building's riser. Whatever the primary, we add a second path, either another carrier or a cellular modem on the firewall, because Long Island outages tend to be wide rather than local. Tropical Storm Isaias left more than 420,000 PSEG Long Island customers without power in August 2020, and Suffolk County has also been named in federal disaster declarations after Ida's remnants in 2021 and after the severe storm and flooding of August 2024. A UPS sized for the firewall, core switch and phones keeps the network alive long enough to fail over or shut down cleanly, and the firewall tells us the moment it changes paths.

Firewall reviews, scanning and the first 30 days

The first month on a Melville network follows a fixed order. Week one inventories every device and rule, exports the existing firewall configuration and checks its firmware against the vendor's security advisories. Week two runs Rapid7 InsightVM scans from inside and outside, then compares what the internet can actually see with what the business believes is exposed; the gap is usually an old port forward or a remote desktop rule left for a past vendor. Weeks three and four bring the new design live in a planned evening window: segmentation, guest isolation, VPN with multifactor sign-in, and firewall logs shipped somewhere an intruder cannot erase them. From then on, rules get a quarterly review, firmware follows a schedule, and every change is recorded with who requested it and why.

What is included

Network Security in Melville: what NetSys delivers

Firewall and edge

Managed Cisco Meraki MX or Fortinet FortiGate firewall with rules reviewed and firmware kept current
Exposed ports and vendor port-forwards closed and replaced with authenticated, logged access

Segmentation and Wi-Fi

Segments for servers, staff, finance, printers, cameras, building systems and guests on Meraki MS switching
Secure Wi-Fi with per-user authentication through Entra ID instead of a shared password

Access and monitoring

VPN or zero-trust remote access that checks the Intune-managed device before granting entry
Encrypted site-to-site links between offices, warehouses and clinics

Published case study

Large multi-divisional company: one platform, two isolated worlds

Two divisions of a 300-person health-services company had grown separate IT stacks with duplicate servers, licensing and backups. NetSys designed a single central platform with shared infrastructure at the base and strict logical separation above it: centralized servers, VPN, file storage and virtual desktops, with identity segmented by division through separate access policies, MFA everywhere and Conditional Access by role. Divisions were migrated one at a time with parallel-run weekends, and one security stack, immutable backups and 24/7 monitoring now cover both. The company reported 44% lower annual infrastructure spend after eliminating the duplicate stack.

Read the full case study (300+ employees)

From our client work

Network security work for other clients

Retail
Seven-location clothing retail chain
Management of 56 computers, point-of-sale network support, endpoint protection, and standardized Wi-Fi and firewall configurations.
Managed IT Services IT for Retail and E-commerce

Client names are withheld. These examples were chosen for the work involved, not for where the client is, so none is presented as a Melville client.

What network security costs in Melville

Network security is priced as a monthly managed service per site, with hardware either included on the agreement or purchased outright. What moves the number: the number of sites and circuits, whether the site needs SD-WAN across several carriers, the count of switches and access points under management, and whether 24/7 monitoring is standalone or part of a wider managed agreement. Failover circuits are billed by the carrier at cost. We quote from a site survey, and terms run month to month. Our managed IT pricing page explains how monthly fees are built.

How the monthly fee is built

Who this fits, and who it does not

Best fit: businesses on one or two floors that inherited their network, practices that need patient or client systems isolated from waiting-room Wi-Fi, companies with an office and a warehouse or second site to connect, and any business with staff at home who need a safe way back into office systems.

Network Security in Melville: FAQs

Do you provide on-site network security in Melville?

Yes. Melville is inside our on-site area, so firewall installations, switch and access point replacements, closet cleanups and Wi-Fi surveys are done by an engineer standing in your office. Day-to-day management, including firmware, rule changes, VPN accounts and alert response, runs remotely so a change never waits for a drive. If a firewall dies, we bring a pre-configured replacement instead of rebuilding it from scratch at your desk, and an office with no internet goes straight to the engineer who manages your network.

How much does network security cost in Melville?

For managed IT clients, firewall management, Wi-Fi management and network monitoring are part of the per-user monthly fee set after an assessment. Hardware is quoted separately: a Meraki or Fortinet firewall, switches and access points sized to your suite, plus their licensing. A one-time redesign, such as segmenting a flat network or adding a second circuit, is quoted after we see the site. What moves the price most is the number of locations, whether you need logging for HIPAA or NYDFS, and how much of your current equipment can stay.

How often should an office in Melville replace or review its firewall?

Review the rules at least every quarter and after any change in staff, vendors or software, because forgotten rules are how old exposures stay open. Apply firmware within weeks of a vendor security release; edge devices are a favorite target, and firewall and VPN flaws appear regularly in CISA's catalog of known exploited vulnerabilities. Plan to replace the hardware before the vendor ends support for it, or sooner if your circuit has outgrown what the box can inspect with its security features switched on.

Can you keep our network separate from the building's systems?

Yes, and in a multi-tenant Melville building it is among the first things we check. If your suite plugs into a landlord switch, shares the building Wi-Fi, or carries camera or door-access equipment on your network, we move your traffic behind your own firewall and put building devices on an isolated segment with only the access they need. We also record the demarc location, circuit IDs and the property manager's contact, so an outage call reaches the right person the first time.

Which New York rules affect network security for Melville firms?

The SHIELD Act's safeguards section reads like a network checklist: assess risk in network and software design, detect, prevent and respond to attacks, and regularly test key controls. NYDFS Part 500 adds firm duties for licensed insurance and financial businesses, including multifactor authentication, annual penetration testing and regular vulnerability scanning. Medical billing offices add the HIPAA Security Rule's access and audit controls. We keep the firewall logs, scan reports and change records each rule expects you to produce. This is general information, not legal advice.

Firewall, Wi-Fi and monitoring

Find out what your network lets through.

Discuss your firewall, segmentation, remote access and monitoring needs with an engineer. Any technical review begins with an agreed scope and access requirements.

Explore Network Security Scope 845-203-3914