IT Services & Cybersecurity in Lake Success, NY
Lake Success packs a large office district into a small village on the Queens line: health system offices and medical buildings on Marcus Avenue and Lakeville Road, a financial technology headquarters on Dakota Drive, and insurers and professional offices in between. NetSys is the IT company that runs managed IT, the help desk, security and projects for those offices, with engineers who come from Brooklyn when work needs hands.
The short answer
NetSys provides managed IT, help desk support, cybersecurity and cloud services to offices in Lake Success, NY, from the medical and corporate buildings on Marcus Avenue and Lakeville Road to the Dakota Drive campus. Lake Success is inside our on-site area, about 21 miles by road from our Park Slope office: most problems get fixed remotely first, and engineers come to your suite for cabling, network closets, hardware, new desks and moves. Managed IT carries a per-user monthly fee set from an assessment, projects are quoted after scoping, and every agreement runs month to month.
- One office, in Brooklyn, NY; Lake Success is about 21 miles by road from Park Slope and inside our on-site area
- Engineers come to Marcus Avenue, Lakeville Road and Dakota Drive offices for closets, cabling, hardware and moves after remote troubleshooting
- Monitoring and emergency service run 24/7; the help desk is staffed seven days a week from 4 a.m. to 11 p.m. Eastern time
- Month-to-month agreements and 98% client retention
IT services we deliver in Lake Success
Most offices here have IT that grew in layers: the carrier's router, a server a former consultant installed, the copier dealer handling printers and an office manager resetting passwords between other duties. We take on the whole job or the part you need. Managed IT covers monitoring, patching, Microsoft 365 and Intune, backups and vendor management under one monthly agreement. IT support gives staff an engineer-run help desk for laptops, phones, printers and accounts. Cybersecurity adds Barracuda email protection, ThreatDown managed detection and response, multifactor sign-in with Entra ID Conditional Access and KnowBe4 training. Projects cover the rest: a Windows Server 2016 replacement before its January 12, 2027 end of support, a move to Azure, a new suite or a merger of two Microsoft 365 tenants. Each has a written scope, milestones and a handover, and one account manager with a real cell number stays responsible for all of it.
Where we provide on-site support around Lake Success
The whole village and its neighbors sit well inside our roughly 50-mile on-site radius. From our Park Slope office the village is about 21 miles by road, typically 45 minutes in light traffic and more at peak hours on the Long Island Expressway, and the same trip reaches Great Neck, Manhasset, New Hyde Park and the northeast Queens neighborhoods of Little Neck, Douglaston and Glen Oaks. Engineers make the trip for work that needs hands: replacing a firewall or switch, re-terminating cabling in a telecom room, adding access points, building out a new suite and moving desks between floors. Everything else starts remotely, because a fix over NinjaOne during the call is faster than any drive. Critical issues get a ten-minute phone response and a thirty-minute remote response under our written commitments, and severe problems, such as ransomware or a dead internet line, go straight to your dedicated engineer.
Who works on the Marcus Avenue corridor
The village's office district reads like a short list of Long Island's larger employers. Northwell Health runs its headquarters from 2000 Marcus Avenue and its Center for Advanced Medicine from 450 Lakeville Road, and a portion of Long Island Jewish Medical Center falls within the village line. Broadridge Financial Solutions lists 5 Dakota Drive as its corporate headquarters in SEC filings. Optum's ProHEALTH Care, the health care quality organization IPRO and a range of insurance and professional tenants fill the buildings around them. Smaller tenants share those addresses too: specialty medical practices and professional offices of a few people to a few dozen. The systems are familiar even when the names differ: a practice's EHR and billing system, a document management system, tax and practice-management software, a CRM and portfolio-reporting platform. The job is the same in each case: keep them available, keep access tight and keep the vendors accountable.
Buildings, circuits and history on the Queens line
Lake Success's offices are mostly large managed properties. The two-building Fountains complex on Marcus Avenue holds more than 670,000 square feet over a below-grade garage, the Quadrangle sits on Dakota Drive, and 1111 Marcus Avenue is the 1.4-million-square-foot former Sperry Gyroscope plant. The village says the United Nations' first home was Sperry's administration building on Marcus Avenue at Lakeville Road. In buildings like these the landlord usually controls the risers, rooftop and telecom rooms, so carrier choice and installation dates need checking early. Verizon Fios, Optimum Business and Lightpath are the options to check at your address, and a second circuit or cellular failover belongs in any design. Power comes from PSEG Long Island, and Tropical Storm Isaias left more than 500,000 of its customers without power in August 2020, so closets need battery backup and alerts.
Security and compliance notes for Lake Success offices
Three sets of rules come up most here. Any business that keeps New Yorkers' private information is covered by the SHIELD Act: the General Business Law's section 899-bb calls for safeguards scaled to the size of a small business but never waived, and section 899-aa gives 30 days from discovery to tell affected residents about a breach. Medical practices and their business associates follow the HIPAA Security Rule, starting with a documented risk analysis. Insurance agencies, brokers and other businesses licensed by the Department of Financial Services answer to 23 NYCRR Part 500, whose multifactor requirement has covered every user since November 1, 2025. Registered investment advisers add SEC Regulation S-P, amended in 2024. We map each control we run to the rule that asks for it, so an exam or an insurer's questionnaire is answered with records. This is general information, not legal advice.
What the first month looks like
Discovery comes first. During the first week an engineer spends time at the suite photographing the closet, tracing the circuits, listing printers and devices and noting which accounts belong to whom, and all of it is written up in IT Glue, our documentation system. In the second week monitoring and endpoint protection go on every machine through NinjaOne and ThreatDown, forgotten remote-access tools from earlier vendors are removed, and multifactor sign-in is switched on account by account. The third week covers email filtering through Barracuda, backups for Microsoft 365 and any server, with a restore timed to prove them, and a short guide telling staff how to reach us. A firm switching providers keeps its old arrangement until cutover while we collect credentials and records in writing. The month closes with your account manager walking through what we found and what to tackle next.
Towns and neighborhoods we cover around Lake Success, NY
- Marcus Avenue corridor
- Lakeville Road
- Dakota Drive
- Great Neck
- Great Neck Plaza
- Manhasset
- Manhasset Hills
- North Hills
- University Gardens
- Thomaston
- North New Hyde Park
- New Hyde Park
- Herricks
- Roslyn
- Little Neck
- Douglaston
- Glen Oaks
- Bayside
- Floral Park
Examples of our client work
- Healthcare
Three-location urgent care group
IT support for 36 workstations, patient data backups, endpoint protection, and secure networking across all three locations.
- Accounting firms
Corporate accounting firm
Migration of 2 TB of business data to Azure, secure remote access for 42 employees, and backup and recovery configuration.
- Insurance
Regional title insurance company
Barracuda email protection for 85 users, phishing simulations, employee security training, and MFA deployment.
Security Awareness & Phishing TrainingIT for Insurance Agencies and Brokers
Client names are withheld. These examples were chosen for the work involved, not for where the client is, so none is presented as a Lake Success, NY client.
Services in Lake Success, NY
Industry depth: IT for Healthcare · IT for Law Firms · IT for Financial Firms · IT for Accounting Firms · IT for Insurance Agencies · Consulting Firms
Also from NetSys: small business IT support · 24/7 IT support
Next steps: Healthcare IT support in Lake Success · IT support for medical practices in Lake Success · IT services in Great Neck · IT services and cyber security in Queens · IT services across Nassau County · Managed IT services in Great Neck · IT support in Nassau County · Cybersecurity in Nassau County · Network security in Nassau County · Backup and disaster recovery in Nassau County · Healthcare IT on Long Island · Managed IT services across New York State
Nearby: Great Neck, NY · Queens, NY · Nassau County, NY · Long Island, NY · Garden City, NY · Mineola, NY
More in Long Island: Suffolk County, NY · Jericho, NY · Uniondale, NY · Farmingdale, NY · Melville, NY · Hauppauge, NY · Ronkonkoma, NY · Bohemia, NY
Lake Success, NY FAQs
Who provides IT services in Lake Success, NY?
Lake Success offices can hire independent consultants, Long Island managed service providers or national IT firms, and some of the larger tenants run their own departments. NetSys is one option for small and midsize offices. We have run managed IT and cybersecurity since 1998 from one office in Park Slope, Brooklyn, and the village is inside the area our engineers cover in person. We provide managed IT, help desk support, cybersecurity, backups, cloud migrations and projects, and none of our agreements lock you in beyond a month.
Do you provide on-site IT support in Lake Success?
Yes. Engineers travel from our Park Slope office to suites on Marcus Avenue, Lakeville Road and Dakota Drive, since the village sits inside our on-site area, for hardware, cabling, firewalls, Wi-Fi, new desks and moves. The trip is about 21 miles by road. We fix most problems remotely first because it is quicker, and we coordinate visits with building management for telecom room access and after-hours entry. Monitoring and emergency service run 24/7; the help desk is staffed seven days a week from 4 a.m. to 11 p.m. Eastern time.
Do you also cover nearby Great Neck, New Hyde Park and northeast Queens?
Yes. Great Neck, Manhasset, North Hills, New Hyde Park and Herricks on the Nassau side, and Little Neck, Douglaston, Glen Oaks and Bayside in Queens, are all inside the same on-site area, so a company with sites in both counties can keep one agreement, one help desk and one network design. Each site's circuit, closet and equipment are documented separately, and visits are planned per address. Offices farther east in Nassau and western Suffolk are covered the same way.
What do IT services cost in Lake Success?
Managed IT and IT support carry a per-user monthly fee that comes out of an assessment; no rate is published because two offices with the same headcount can differ a great deal. The drivers are users and devices, any on-premises server, the count of sites and circuits, the paperwork HIPAA, DFS or an insurer expects, and any staffed coverage you want outside our help desk hours. Projects such as a server replacement or a suite move are quoted after scoping, with hardware and licensing listed separately.
What services do you offer to businesses in Lake Success?
Managed IT with monitoring, patching, Microsoft 365 and vendor management; an engineer-run help desk; cybersecurity, including managed detection and response, email protection, multifactor sign-in and training; backups and disaster recovery with tested restores; network and Wi-Fi design; cloud and server migrations; HIPAA and other compliance support; and virtual CIO planning. Medical offices can also see our healthcare and medical practice pages for Lake Success, which cover the record system, e-prescribing and HIPAA work in more detail.
How do we get started, and is anything free?
Book a call with an engineer, who will ask about your users, systems and pain points and then schedule an assessment visit. The assessment produces an inventory, a risk summary and a per-user price, and you keep the findings even if you never sign. Our only free service is an external penetration test, run remotely within a scope agreed in writing, which checks what your office exposes to the internet: the firewall, remote access, the mail domain and any portals. You receive a ranked report with fixes.
Which security rules matter most for medical and financial offices here?
Medical practices follow the HIPAA Security Rule, which starts with a risk analysis, and New York's breach law requires a report to the state Attorney General no more than five business days after any notice to HHS. DFS-licensed insurance agencies and brokers follow Part 500, including multifactor authentication for every user since November 2025. Registered investment advisers follow the SEC's Regulation S-P, which was amended in 2024. Everyone holding New Yorkers' private information follows the SHIELD Act's safeguards. This is general information, not legal advice.
What happens to our office if the power or internet goes out?
Planning starts before it happens. Laptops replace desktops where people can work elsewhere, Microsoft 365 keeps mail and files reachable from home, the closet gets battery backup with alerts, and the firewall fails over to a second circuit or cellular link once availability is checked at the address. Monitoring tells us the moment a site drops, and we chase the carrier on your behalf. If a server is involved, recovery targets are agreed per system and proved with a timed restore test each quarter.
Talk to an engineer about your Lake Success office.
Tell us what you run and what keeps breaking. We will scope an assessment, and the free external penetration test is available either way.