Cybersecurity Services in Norcross, Georgia

Cybersecurity Services for Norcross, GA Businesses

Norcross businesses in Gwinnett County face the same threat landscape as any metro Atlanta enterprise, but with fewer dedicated security staff to respond when something goes wrong. COMNEXIA has been delivering security-first managed IT from its Roswell, GA headquarters since 1991, and today serves businesses across Norcross, Peachtree Corners, and the broader I-85 corridor with layered cybersecurity built around named, verifiable controls, not vague promises.

What "Cybersecurity" Actually Means for a Norcross Business

Cybersecurity is not a product you purchase once. For a Norcross manufacturer, logistics firm, medical practice, or auto dealership, it means maintaining a documented, continuously monitored set of controls that prevent unauthorized access, detect threats before data is exfiltrated, and restore operations quickly when an incident occurs. COMNEXIA structures that around three layers: endpoint detection, identity protection, and verified backup, each configured to your environment rather than applied from a generic template.

Endpoint Detection and Response (EDR/MDR)

Every managed endpoint in your Norcross office runs either SentinelOne EDR or Microsoft Defender for Endpoint, depending on your existing Microsoft licensing. SentinelOne uses behavioral AI to detect and automatically roll back ransomware at the endpoint level before it spreads across a file share. Microsoft Defender for Endpoint integrates natively with your Microsoft 365 tenant and surfaces alerts directly inside Microsoft Defender for Cloud, giving your team a single console for cross-environment visibility. COMNEXIA's 24/7 SOC analysts monitor those alerts around the clock and escalate confirmed incidents according to a documented response playbook, not a ticketing queue that sits until Monday morning.

Identity and Access Controls with Microsoft Entra ID

Stolen credentials are the leading entry point for business email compromise and ransomware attacks across Georgia. COMNEXIA enforces Microsoft Entra ID conditional access policies that block sign-in attempts from non-compliant devices and unfamiliar geographic locations. Multi-factor authentication is required for every user, including administrators, with phishing-resistant methods such as Microsoft Authenticator number-matching or FIDO2 hardware keys for privileged accounts. Role-based access control is reviewed and documented during onboarding so that a parts manager at a dealership never holds domain-admin rights they do not need.

Immutable, Verified Backups on a 3-2-1 Architecture

A backup that has not been tested is not a backup. COMNEXIA implements a 3-2-1 backup strategy: three copies of data, on two different media types, with one copy stored off-site or in immutable cloud storage. Immutable means ransomware cannot encrypt or delete those backup copies even if it reaches the backup server. Restoration is tested on a documented schedule so that recovery time objectives are known before an incident, not estimated during one.

Security Awareness Training and Phishing Simulation

Technical controls stop known attack patterns. Phishing simulations train employees to recognize the patterns that filters miss. COMNEXIA runs phishing simulation campaigns against your Norcross staff on a recurring basis, tracks click rates by department, and assigns targeted training modules to employees who interact with simulated lures. This is not a one-time lunch-and-learn. It is a continuous program that produces measurable improvement in click-through rates over successive quarters.

Compliance: FTC Safeguards Rule and Auto Dealerships

Auto dealerships in Norcross and Gwinnett County that use CDK Global, Reynolds and Reynolds, or Dealertrack to process customer financing data are subject to the FTC Safeguards Rule (16 CFR Part 314). The rule requires a written information security program, encryption of customer data in transit and at rest, multi-factor authentication for any system containing customer financial records, and annual penetration testing or vulnerability assessments. COMNEXIA has direct experience configuring compliant environments around these dealer management systems, including network segmentation that isolates DMS traffic from general office traffic. PCI DSS requirements apply separately to any payment card processing terminals on the lot. COMNEXIA maps your existing controls against both frameworks and closes the documented gaps.

What COMNEXIA Delivers: Named Controls, Not Descriptions

• SentinelOne EDR or Microsoft Defender for Endpoint deployed and policy-tuned on every managed endpoint
• Microsoft Entra ID conditional access with MFA enforced, including named-location and device-compliance policies
• Microsoft Defender for Cloud configured for cross-environment alert aggregation
• 24/7 SOC monitoring with documented escalation procedures
• 3-2-1 immutable backup with tested restoration on a defined schedule
• Recurring phishing simulations with per-department reporting and remedial training
• FTC Safeguards Rule gap assessment for dealerships using CDK Global, Reynolds and Reynolds, or Dealertrack
• NinjaOne RMM for patch management, ensuring critical OS and application patches are deployed within your documented patching window
• Monthly reporting showing patch compliance rates, SOC alert volume, backup job status, and MFA enrollment percentages

Talk to a Cybersecurity Specialist Serving Norcross

COMNEXIA has protected Gwinnett County and metro Atlanta businesses since 1991 from its Roswell, GA headquarters. If your Norcross business needs a straight answer about where your security posture has gaps, call (877) 600-6550 to schedule a no-obligation assessment. You will speak with a specialist who knows the FTC Safeguards Rule, knows the dealership platforms, and can tell you exactly which controls are missing from your current environment.