Cybersecurity · Cincinnati

Cybersecurity Services in Cincinnati, OH

Since August 2024, ransomware has reached Cincinnati Public Schools and a hospital network with a campus in Hamilton, and attackers hit West Chester Township twice in one month. NetSys defends Cincinnati-area businesses against the same attacks with managed detection and response, hardened email and sign-in, staff training and backups an attacker cannot erase, all run remotely from Brooklyn.

All IT services in Cincinnati, OH

The short answer

NetSys provides cybersecurity services to Cincinnati organizations as a managed program: ThreatDown managed detection and response on every endpoint, Microsoft Defender for Business, Barracuda email protection, multifactor sign-in enforced through Entra ID Conditional Access, KnowBe4 phishing training, Rapid7 vulnerability scans and immutable Datto or Veeam backups. Alerts are watched 24/7, and an infected computer can be cut off from your network at 2 a.m. as quickly as at noon. The service is remote; NetSys does not send engineers on site anywhere in the Cincinnati area. Pricing is per user per month, on month-to-month terms.

Service information by The NetSys Group. Our editorial standards.

How cybersecurity is delivered to Cincinnati organizations

Every protection is applied and watched from Brooklyn. The NinjaOne agent and the ThreatDown sensor go onto each computer and server, Barracuda sits in front of Microsoft 365 mail, and Conditional Access policies decide which devices and countries may sign in at all. When ThreatDown flags ransomware behavior, that machine is isolated from the network remotely while the rest of the office keeps working, and the engineer assigned to your account takes over the case. NetSys has no technicians in Ohio or Kentucky and does not send anyone on site; if a firewall has to be replaced, a Fortinet or Meraki unit ships already configured, and your office manager or cabling contractor plugs it in while we bring it online. Rapid7 scans run on a schedule, and what they find is fixed through patching rather than filed in a report. 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.

Attacks that have already reached the Cincinnati area

The local record is specific. In mid-August 2024, ransomware gave an outside party access to Cincinnati Public Schools systems, and the district warned that files on its network drives might have been taken. On May 20, 2025, the Interlock group hit Kettering Health, whose 14 medical centers include Kettering Health Hamilton in Butler County; the electronic health record and phone lines went down, elective procedures were canceled and some ambulances were diverted. In August 2025, West Chester Township contained an intrusion on August 12, then shut down email, phones and its website on August 26 when the same group went after its central email server. Earlier, in 2021, Kroger learned that a breach at Accellion, a file-transfer vendor, had exposed some pharmacy and employee records. Each case shows a different way in: a school network, a hospital's core systems, a township mail server and a vendor's tool.

Payment fraud, email takeover and the controls that stop them

Not every loss involves ransomware. West Clermont Local Schools disclosed in June 2024 that, the previous December, thieves had redirected its electronic vendor payments into accounts the vendors did not own, a net loss of about $1.7 million. Any business that pays suppliers by ACH or wire faces the same scheme, usually after a mailbox is taken over or a vendor is impersonated. Our defenses are layered. Barracuda filters impersonation and malicious links, DMARC, SPF and DKIM reduce spoofing of your domain, Conditional Access blocks sign-ins from unexpected places and unmanaged devices, and an alert fires when someone creates a mail rule that hides or forwards messages. KnowBe4 runs simulated phishing so staff learn what a fake invoice looks like. We also help your finance team adopt a call-back rule: any change to a vendor's bank details is confirmed by phone to a number already on file.

Ohio's safe harbor and the other rules in play

Ohio rewards a documented program. Under the Data Protection Act, Revised Code 1354.01 to 1354.05, a business whose written cybersecurity program reasonably conforms to a listed framework, such as the NIST Cybersecurity Framework, NIST SP 800-171 or the CIS Critical Security Controls, gains an affirmative defense to tort claims after a breach, and a revised framework must be adopted within a year. Insurers and agencies licensed in Ohio, a large group in a city that is home to Cincinnati Financial, Great American and Western & Southern, must keep a written information security program under Chapter 3965 and notify the insurance superintendent no later than three business days after determining that a qualifying event occurred. Townships, cities and school districts follow Revised Code 9.64, which requires a program, incident reports to the state within seven days and a formal vote before any ransom is paid. This is general information, not legal advice.

The first 30 days of a Cincinnati security program

Week one is discovery: agents go on, every device and account is inventoried, and we run the free external penetration test against your firewall, VPN and public sign-in pages within a scope agreed in writing. Week two removes the old antivirus as ThreatDown goes on, turns on multifactor sign-in in waves so no department is locked out on a Monday morning, and moves shared passwords into Keeper. Week three puts Barracuda in front of mail, sets DMARC to report mode and sends a baseline KnowBe4 phishing test so you know where training should start. Week four proves recovery by restoring a real server and a mailbox from immutable backup, then delivers a written program mapped to the NIST Cybersecurity Framework or the CIS Controls, the kind of document Ohio's safe harbor is built around. Staff notice two things: a sign-in prompt on their phone and less junk mail.

What is included

Cybersecurity in Cincinnati: what NetSys delivers

Watch and respond

ThreatDown MDR and EDR on every device, with a 24/7 team that isolates and investigates rather than emails
Rapid7 InsightIDR or Microsoft Sentinel collecting identity, email, endpoint and firewall logs so an intrusion is visible in one place

Harden the tenant and the people

Microsoft Defender for Business, Entra ID Conditional Access and phishing-resistant sign-in for finance staff
Legacy authentication off, dormant accounts closed, forwarding rules and consent grants reviewed monthly

Measure and recover

Rapid7 InsightVM scans of the internal and external footprint, with a monthly fix list
Managed firewall with intrusion prevention, segmentation and vendor access that is logged and switched off when the work ends

Published case study

Firewall, antivirus and maintenance for a five-person office

A five-person office needed the basics done properly rather than an enterprise stack. NetSys replaced the internet provider's router with a business-grade firewall configured with sensible rules, secure remote access and logging, deployed managed antivirus on every machine with updates and alerts handled centrally, and put patching, backup checks and health reviews on a schedule. The agreement covers what the office needs and nothing it does not, month to month. No outcome figures were measured for publication.

Read the full case study (5-person office)

From our client work

Cybersecurity work for other clients

Insurance
Regional title insurance company
Barracuda email protection for 85 users, phishing simulations, employee security training, and MFA deployment.
Security Awareness & Phishing Training IT 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 Cincinnati client.

What cybersecurity costs in Cincinnati

Cybersecurity is priced per user per month when it runs as an ongoing service, and per project for an assessment or a remediation. What moves the number: how many devices and identities are in scope, how much incident remediation and recovery is needed beyond the monitoring and authorized MDR actions in scope, which compliance standard the evidence has to satisfy, and whether the Microsoft 365 tenant is already on Business Premium or the security tooling comes from us. The free external penetration test costs nothing and runs remotely before any of that. Our managed IT pricing page explains how the fee is built.

How the monthly fee is built

Who this fits, and who it does not

Best fit: businesses with enough people, money movement or regulated data that a breach would hurt, and no security team of their own: professional practices, healthcare groups, importers, financial firms, nonprofits and agencies holding client credentials. Companies with an internal IT person fit as a co-managed arrangement.

Cybersecurity in Cincinnati: FAQs

How does cybersecurity work for Cincinnati organizations?

It runs as a managed service from our Brooklyn office. Agents on each device report to ThreatDown and NinjaOne, sign-in rules live in Entra ID, and mail passes through Barracuda before it reaches anyone's inbox. Monitoring never stops, and confirmed threats such as ransomware go straight to your dedicated engineer, who can isolate a machine, disable an account or block a sender remotely. No NetSys engineer travels to your office, so anything physical, such as swapping a firewall, uses equipment we ship preconfigured. Each month you get a report showing blocked attacks, patch status and the risks still open.

How much do cybersecurity services cost in Cincinnati?

Security is priced per user per month, either inside a managed IT agreement or as a security-only service, and the figure comes from an assessment rather than a public rate card. What moves it: the number of users, computers and servers, whether managed detection must also cover servers and cloud workloads, how many mail domains we protect, backup volume, and whether you need paperwork such as an Ohio safe-harbor program, a HIPAA risk analysis or NIST SP 800-171 documentation. Incident response beyond the agreement and penetration testing past the free external test are quoted separately. Terms run month to month.

Does Ohio law require our business to have a cybersecurity program?

For most private businesses, no. The Ohio Data Protection Act is voluntary: it offers a legal defense, not a mandate, to companies whose written program reasonably conforms to a named framework, and only against tort claims such as negligence after a breach. Other Ohio rules do impose duties. Revised Code 1349.19 sets a 45-day outer limit for telling affected residents about a covered breach. Licensed insurers and agencies have Chapter 3965, and townships, cities and school districts have Revised Code 9.64. Medical practices carry the HIPAA Security Rule whatever state law says.

What happens if ransomware hits our Cincinnati office overnight?

The night shift is covered by monitoring. If ThreatDown detects encryption behavior at 1 a.m., the affected computer or server is isolated, automatically or by an engineer, and the incident goes to your dedicated engineer instead of a queue. We confirm the scope, disable compromised accounts, preserve evidence for your insurer and counsel, and restore from immutable backups once the environment is clean. Over the past three years NetSys has handled more than 30 ransomware incidents and fully recovered every one, and clients that already had a disaster recovery plan were working again within 24 hours.

Do you offer managed security services or cybersecurity consulting on their own?

Yes. Some Cincinnati organizations already have IT staff or a provider they like and want security handled separately. A security-only agreement covers managed detection and response, email protection, sign-in hardening, training, vulnerability scanning and backup monitoring, while your team keeps the help desk. Consulting is scoped as projects: a Microsoft 365 security review, a written program for Ohio's safe harbor, answers for a cyber insurance renewal questionnaire, or NIST SP 800-171 documentation for a defense supplier. The only free piece is the external penetration test, a remote check of what you expose to the internet within an agreed scope.

Start with the free test

See what an attacker sees before they do.

The free assessment is a remote external penetration test, limited to the information available to NetSys and the external scope we agree with you. Internal reviews and ongoing security management are scoped separately.

Explore Cybersecurity Scope 845-203-3914