The Challenge

For nearly two decades, a Midwestern manufacturer of precision metal components had served major automotive and aerospace clients with little more than a standard antivirus program and a single firewall. With 85 employees and a network supporting everything from CNC machines to customer order portals, the company operated under the assumption that being a small target meant being a safe one. That assumption shattered one Tuesday morning when a routine software update triggered a cascade of lock-screen messages across the production floor. Quick-thinking IT staff pulled the network plug, but three CNC machines had already been infected, halting a $2.4 million order to a defense contractor.

The Finance Manager, who oversaw both the IT budget and the company’s insurance policies, received the call at 7:15 a.m. By noon she had contacted MS&VG. Her immediate pain points were painfully clear: the company had no visibility into endpoint activity, no way to isolate infected devices, and no response plan beyond “call the IT guy.” Worse, their cyber insurance broker had just informed them that coverage would be non-renewable unless they implemented multi-factor authentication and advanced endpoint detection within 90 days. The manufacturing environment—with legacy machines running Windows 7 and a flat network connecting everything from accounting to the shipping dock—was a security sieve.

Our Approach

MS&VG’s team began with a one-week discovery and risk assessment. We mapped every device on the network—including plant-floor PLCs and IoT sensors that had never been inventoried. We identified eight endpoints running unsupported operating systems and a guest Wi-Fi network that offered direct access to the main production VLAN. Working closely with the Finance Manager and her external IT provider, we developed a phased deployment plan that would not disrupt the 24/7 production schedule.

Phase one focused on network segmentation. We created four isolated VLANs: production, IT/admin, guest, and OT (operational technology). Firewall rules were tightened, and zero-trust access policies were implemented so that a compromised employee laptop could no longer “see” the CNC controllers. Phase two deployed a next-generation endpoint detection and response (EDR) agent on every workstation and server, plus a lightweight agent on the Windows 7 machines after verifying compatibility. We configured automated containment policies that isolate suspicious endpoints within seconds. Phase three added a 24/7 managed detection and response (MDR) layer, so MS&VG’s security operations center would handle alerts after hours. The entire rollout—including two short maintenance windows on weekends—was completed in five weeks, well within the insurance deadline.

The Results

  • 99.7% reduction in successful malware detections in the first 90 days, down from an average of 12 monthly infections to fewer than one.
  • 60% faster incident response—the MDR team now contains threats in under 4 minutes, versus the prior 90-minute manual process.
  • 100% compliance with cyber insurance requirements, securing a premium discount of 18% on the next renewal.
  • 0 production stoppages attributed to security incidents since deployment—saving an estimated $300,000 in potential lost revenue.
  • 35% reduction in IT overhead for security tasks, freeing the internal IT provider to focus on production system upgrades.

The Finance Manager noted that the greatest outcome was peace of mind. “Before MS&VG, I was spending every board meeting explaining why we didn’t have a security incident yet. Now I present real metrics showing we’re protected—and that we saved money on insurance and downtime.” The company’s leadership team no longer sees cybersecurity as a cost center but as a revenue protector.

Key Takeaway

For small and mid-sized manufacturers, a modern endpoint and network security strategy is not merely an IT expense—it is an insurance policy