Cyber Attacks Are Now a Production Risk for Manufacturers

Key Points

• Nearly one in three manufacturers experienced a cyber incident in the past 12 months, either directly or through their supply chain, according to new Make UK research.
• The most common consequences were production downtime and increased operational costs, not data breaches.
• Among firms hit by supplier cyber attacks, 31% reported delays to customer deliveries and 31% reported reduced production capacity.
• Cyber resilience is an operational risk category now, sitting alongside quality, productivity, and health and safety.
• Defense and aerospace suppliers carry additional exposure because cyber incidents can cascade into missed deliveries on programs where schedule slippage has real consequences.

The Production Floor Is the New Threat Surface

Most discussions about manufacturing cyber risk stay at the IT layer: compromised credentials, phishing campaigns, ransomware payments. New research from Make UK moves the conversation where it actually belongs: the production line, the supply chain, and the delivery schedule.

Thirty percent of UK manufacturers experienced a cyber incident in the past 12 months, either directly or through their supply chain. The most common outcomes were production downtime and increased operational costs. That's not an IT statistic. That's an operations statistic.

For manufacturers supplying defense contractors, aerospace primes, or medical device OEMs, those outcomes aren't just expensive. They're program-threatening.

What the Make UK Data Shows

The Make UK report doesn't just quantify how often attacks happen. It maps what breaks when they do.

Among manufacturers hit by a supplier cyber attack, the damage pattern was consistent:

• Delivery delays: 31% reported delays to customer deliveries
• Reduced production capacity: 31% reported lower output
• Supplier delivery delays: 23% experienced delays from their own upstream suppliers
• Component and material shortages: 23% reported supply shortfalls

Those four failure modes are exactly what a prime contractor or OEM sees when a critical sub-tier supplier goes dark. The product doesn't arrive. The schedule slips. The program cost goes up.

The report also flags a coverage gap worth attention: 17% of manufacturers have no cyber insurance at all, and 16% don't know whether they're covered. That's roughly one in three manufacturers either uninsured or uncertain about their exposure.

Only 51% have incident response plans. Only 45% have assigned senior leadership responsibility for cyber security. The governance infrastructure isn't keeping pace with the threat.

Essential Background Reading:

• What Are Manufacturing Readiness Levels? MRL 1-10 Explained: A foundational breakdown of the MRL framework and what each level requires from your manufacturing processes and supply chain.
• Managing Supply Chain Risk at Each Manufacturing Readiness Level: How supply chain vulnerabilities shift as programs advance through MRL stages, and what controls reduce exposure at each level.
• Custom Manufacturing Company: An overview of what a mission-critical custom manufacturer does and how integrated capabilities reduce program risk.

Why This Matters for Defense and Aerospace Suppliers

Manufacturing cyber incidents don't respect program boundaries. A connected production environment, where enterprise resource planning systems talk to machine controllers, where suppliers share design files over cloud platforms, where remote access tools are active across facilities, creates a large attack surface. Disruption entering at any point can propagate fast.

Make UK cites a recent example involving Jaguar Land Rover, where a cyber disruption led to weeks of interrupted production across key UK manufacturing sites and cascading impacts on suppliers. The mechanism is consistent regardless of sector: IT disruption becomes operational disruption becomes supply chain disruption.

For suppliers to defense and aerospace programs, the tolerance for schedule variance is low. A missed delivery on a critical component doesn't just affect one shipment. It can hold up integration, delay qualification testing, and push a program's delivery date to the right. On programs where cost, schedule, and performance are all tracked, that's a significant exposure.

Medical device supply chains carry parallel risk. A cyber-induced production halt at a precision component supplier can interrupt device assembly timelines. Depending on where the device sits in a patient's care pathway, that delay has consequences beyond the financial.

Related Content:

• Midsize Suppliers are Reshaping Aerospace and Defense: How mid-tier suppliers are absorbing more supply chain responsibility in defense programs, and what that shift demands in terms of resilience and certification.
• The DOD Replicator Initiative: What Attritable Drones Demand From the Defense Supply Chain: How accelerated defense acquisition programs stress supplier qualification requirements, including cybersecurity posture.
• Vertical Integration: How consolidating manufacturing capabilities under one roof reduces the number of supply chain nodes that can become cyber or operational failure points.
• EMI Shielding and RF Components: Meeting Manufacturing Readiness Requirements for Defense Electronics: Process qualification requirements for defense electronics components, including the documentation and controls primes increasingly demand.

The Operational Technology Gap

One area the Make UK report flags directly is operational technology (OT) protection. Modern manufacturing facilities run on connected equipment: CNC machines networked to plant floor systems, sensors feeding real-time data to enterprise systems, robotic cells controlled through programmable logic controllers. These systems were often designed before cybersecurity was a design requirement.

OT security is structurally different from IT security. Patching a production controller isn't the same as pushing an update to a laptop. Downtime for security maintenance has to be planned against production schedules. Access controls on manufacturing equipment have to work within the operational workflow.

Make UK recommends that manufacturers prioritize OT protection alongside standard IT security controls. That means asset inventories for production systems, network segmentation between IT and OT environments, and documented procedures for what happens when a production system is compromised.

Next Steps:

• Manufacturing Readiness Level Assessments: What Defense Contractors Need to Know: What auditors look for during MRL assessments, and how to document the processes and controls that demonstrate supplier readiness.
• From Breadboard to Full Rate Production: A Program Manager's MRL Roadmap: A program-level view of how manufacturing readiness milestones align with production scale-up and supply chain qualification gates.
• Cost Modeling and Should Cost Analysis Across Manufacturing Readiness Levels: How cyber-related disruptions and mitigation investments factor into total program cost modeling at each MRL stage.
• Manufacturing Processes: An overview of Modus Advanced's precision manufacturing capabilities and the documented process controls that support supplier qualification.

What Manufacturers Should Prioritize Now

Make UK's recommendations are practical and tiered. The report doesn't ask manufacturers to solve everything simultaneously. It identifies the controls that create the most resilience for the effort invested.

The priority actions align with what compliance frameworks like Cyber Essentials and the National Cyber Security Centre's (NCSC) guidance have been saying for years:

• Board-level ownership: Cyber risk needs a named senior owner, not a shared assumption that IT handles it.
• Incident response planning: A tested plan for what happens during an attack reduces recovery time and limits production impact.
• Supplier assurance: If 31% of supplier attacks cause delivery delays, supplier cyber posture is a supply chain risk factor that belongs in procurement conversations.
• Patch management: Keeping systems current on software and firmware updates closes the most commonly exploited attack vectors.
• Employee training: Most intrusions begin with a human action. Training is a control, not just a policy checkbox.

For US-based defense manufacturers specifically, the Cybersecurity Maturity Model Certification (CMMC) framework establishes a compliance floor for suppliers handling Controlled Unclassified Information (CUI). CMMC Level 2 requires 110 security practices aligned to NIST SP 800-171. Meeting that standard addresses much of the supplier assurance gap the Make UK report describes.

See It In Action:

• Supply Chain Challenges Case Study: How Modus Advanced helped a program navigate supply chain disruption while keeping deliveries on schedule.
• Strategic Sourcing Case Study: A real-world example of how strategic supplier qualification and sourcing decisions reduced program risk for a defense customer.
• Supply Chain Case Study: How documented controls and supplier accountability translate into on-time delivery for mission-critical programs.

Cyber Resilience Is a Supply Chain Qualification Factor

The Make UK findings reinforce a shift that's been underway in defense and aerospace procurement. Cyber posture is becoming a qualification criterion, not just a compliance checkbox. Primes are asking tier-one suppliers about their security controls. Tier-one suppliers are asking the same questions of their sub-tiers.

Modus Advanced holds CMMC Level 2 certification and maintains AS9100 and ISO 9001 quality management systems. Those certifications don't just satisfy auditors. They reflect documented processes, tested controls, and clear senior accountability for the functions that keep production running and programs on schedule.

When a prime contractor needs to know that a precision component supplier won't become the weak link in a program's supply chain, that documentation is the answer. Because failure isn't an option here, and one day matters.