Cybersecurity · Atlanta

Cybersecurity Services in Atlanta, GA

Atlanta learned about ransomware early, when SamSam took down city systems in 2018, and again when LockBit hit Fulton County in 2024. NetSys protects Atlanta businesses with managed detection and response on every device, hardened Microsoft 365 sign-ins, email filtering and immutable backups, with engineers in Brooklyn acting on alerts instead of forwarding them to you.

All IT services in Atlanta, GA

The short answer

NetSys provides cybersecurity services to Atlanta businesses: ThreatDown managed detection and response with analysts behind it, Entra ID Conditional Access and multifactor authentication across Microsoft 365, Barracuda email protection with DMARC, Rapid7 vulnerability scanning, KnowBe4 training, Keeper password management and immutable, restore-tested backups. It is delivered remotely and through the cloud. NetSys has no Atlanta office and sends no engineers on site; containment, investigation and recovery all happen over the network. Monitoring and response run 24/7, the help desk is staffed 4 a.m. to 11 p.m. Eastern, and the ongoing service is a per-user monthly fee.

Service information by The NetSys Group. Our editorial standards.

How cybersecurity is delivered for Atlanta offices

Atlanta and Brooklyn share a time zone, which helps more than people expect: a suspicious sign-in at 8:15 on a Monday morning in Midtown is 8:15 for our engineer too. The security stack is deployed and run entirely over the network. ThreatDown and NinjaOne agents install remotely, Microsoft 365 and Entra ID are configured from their admin centers, and Fortinet or Meraki firewalls report to cloud consoles. If a laptop in a Buckhead office or a home in Decatur starts encrypting files, the response team isolates it within minutes and our engineer locks the account and checks the mailbox for forwarding rules. NetSys does not send engineers on site in Atlanta, so a machine that needs rebuilding is wiped through Intune and reinstalled by Windows Autopilot, or replaced by one that ships ready. 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.

What the City of Atlanta and Fulton County attacks exposed

Two public incidents frame security conversations in this city. In March 2018 SamSam ransomware disabled City of Atlanta systems; federal prosecutors later charged two Iranian men over the SamSam campaign, and CISA's advisory described operators who entered through Remote Desktop Protocol with guessed or stolen passwords. In late January 2024 LockBit hit Fulton County, cutting phone lines, the courts' e-filing system, online utility payments and property record searches, and pushing jail processing onto paper forms; Chairman Robb Pitts said no ransom was paid. For a private company the lessons are concrete. Close Remote Desktop to the internet, require multifactor sign-in everywhere, keep backups that an administrator account cannot delete, and rehearse a day of working without your main systems, because recovery always takes longer than restoring files.

Payment processors, fintechs and PCI DSS in Transaction Alley

Georgia's Department of Banking and Finance says about 70% of all U.S. payment transactions flow through companies with operations in the state, which is why the payments industry calls metro Atlanta Transaction Alley. That concentration pulls many smaller firms into PCI DSS: software companies whose products touch cardholder data, call centers that take payments by phone, franchise operators, and the agencies that build checkout pages. PCI DSS version 4.0.1, the current standard, requires multifactor authentication for all access into the cardholder data environment and controls over the scripts that run on payment pages. We segment payment systems from the office network on the firewall, enforce Conditional Access and multifactor sign-in, keep endpoint logs and quarterly vulnerability scan results ready for the assessor, and document who can reach what, so the annual assessment is an exercise in showing evidence rather than producing it.

Email fraud aimed at Atlanta law, real estate and construction firms

For many smaller Atlanta firms the costliest attack is a convincing email rather than ransomware. A closing attorney in Buckhead, a property manager in Sandy Springs or a general contractor paying subcontractors receives a message from a real but compromised vendor account, asking that the next payment go to new bank details. Barracuda Email Protection catches much of this by checking sender reputation, lookalike domains and links, and DMARC on your own domain makes it harder to impersonate you to your clients. The rest depends on identity and process: Conditional Access blocks sign-ins from unmanaged devices, impossible-travel alerts flag stolen sessions, new mailbox rules that forward or hide messages raise an alert, and KnowBe4 training teaches staff to confirm any bank change by calling a number already on file.

Medical practices, HIPAA and the security risk analysis

Independent medical, dental and therapy practices across the metro, many of them referring patients into the large Atlanta health systems, carry HIPAA Security Rule duties whatever their size: a documented risk analysis, access controls, audit logging, encryption decisions and a contingency plan for the EHR and billing system. HHS published a proposed update to the Security Rule in January 2025; it is still a proposal, so today's obligations are those of the existing rule. We build the technical side: unique logins with multifactor authentication, encrypted laptops and phones in Intune, ThreatDown on every workstation, email encryption for messages carrying patient information, and backups of practice data with a tested restore. We sign a business associate agreement and keep the evidence your risk analysis needs. This is general information, not legal advice.

What is included

Cybersecurity in Atlanta: what NetSys delivers

Detection and response

ThreatDown managed detection and response with EDR agents on every workstation, laptop and server, monitored 24/7
Microsoft Defender for Business and Rapid7 InsightIDR telemetry from identities, email and endpoints, with a person acting on alerts

Identity and email

Entra ID Conditional Access and multifactor authentication across Microsoft 365, with legacy authentication switched off
Privileged access and privileged identity management so admin rights are granted just in time and removed afterwards

Exposure and recovery

Rapid7 InsightVM vulnerability scanning on a schedule, with findings fixed rather than filed
Cisco Meraki or Fortinet firewall management, segmentation and DNS filtering on office and remote devices

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 Atlanta client.

What cybersecurity costs in Atlanta

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 Atlanta: FAQs

How does cybersecurity work for Atlanta organizations?

It is a managed service run remotely by engineers who also run IT, so a detection becomes an action rather than an email to you. In the first month we deploy ThreatDown and NinjaOne, close exposed services, enforce multifactor sign-in and Conditional Access, switch on Barracuda and DMARC, and set up immutable backups. After that, analysts monitor endpoints around the clock and our engineers handle follow-up during help desk hours, 4 a.m. to 11 p.m. Eastern, with severe incidents going straight to your dedicated engineer. No one travels to your Atlanta office; recovery work is done through Intune, Autopilot and the backup consoles.

What do cybersecurity services in Atlanta cost?

The managed service is priced per user per month after a short assessment, and assessments, remediation projects and compliance work are quoted once scoped. The number of devices and accounts, how many servers and cloud tenants are in scope, whether you need PCI DSS or HIPAA evidence, and whether your Microsoft 365 licenses already include Business Premium security all set the figure. The remote external penetration test is free within a scope we agree in advance, and it is often the clearest way to see what an attacker would find first.

What is managed detection and response, and do we need it?

Managed detection and response pairs an endpoint agent with people. ThreatDown's agent records what processes do on each computer and server, and analysts watch those signals at all hours; when behavior matches ransomware or a hands-on intruder, they isolate the device and start an investigation instead of just quarantining one file. Insurers increasingly ask for it, and it closes the gap between an alert and someone acting on it overnight or over a weekend. For an Atlanta firm without a security team, it is the control that most shortens the time an intruder spends inside.

Can you work alongside our internal IT staff?

Yes. In a co-managed security arrangement your team keeps the help desk and daily administration, and NetSys runs ThreatDown MDR, vulnerability scanning, Conditional Access policy, email security and backup monitoring, with after-hours response written into the agreement. Both sides work from the same NinjaOne and IT Glue records, so everyone sees the same devices, alerts and documentation. It suits Atlanta companies with one or two IT generalists who are stretched thin and want the security work covered without hiring a dedicated analyst.

What should we do in the first hour of a ransomware attack?

Call your dedicated engineer first, and do not pay, delete or reboot anything. Disconnect affected machines from the network by unplugging the cable or turning off Wi-Fi, but leave them powered on so evidence survives. If you carry cyber insurance, notify the carrier, since most policies require you to use their breach response firm. Our engineers then isolate devices through ThreatDown, disable compromised accounts, preserve logs and confirm which backups are clean. NetSys has handled more than 30 ransomware incidents in three years and recovered every one, and clients with a disaster recovery plan were back within 24 hours.

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