Ransomware operators are homing in on manufacturers at an accelerating pace, according to new research covered by SecurityWeek, as attackers increasingly bank on the industry's low tolerance for operational downtime to force ransom payments. The trend is compounding an already-elevated risk profile for global supply chains, where a single disrupted plant can ripple out to thousands of downstream customers.
The Numbers
The research found that ransomware attacks on manufacturers rose nearly 40 percent year over year in the first seven months of 2026 compared with the same period in 2025. That seven-month total alone exceeded the full-year manufacturing victim count recorded in 2024, underscoring how quickly the pace of attacks has accelerated. Manufacturing has now ranked as the most-targeted sector for ransomware disclosures for four consecutive years, and attacks against the industry have more than doubled since 2023.
The data also points to a geographic shift. Europe recorded an 85 percent year-over-year increase in manufacturing-sector attacks, with Germany, Italy, the United Kingdom, and France emerging as the leading European victim countries. Meanwhile the United States' share of global incident volume declined even as absolute attack counts stayed elevated, suggesting operators are diversifying their target pool rather than retreating from any single region.
Most victims were not large multinational conglomerates. The research found the majority of manufacturing victims identified in 2026 were midmarket companies, with annual revenue concentrated well below the billion-dollar range. That profile matches a long-running pattern in ransomware targeting: mid-sized firms often carry valuable operational leverage but lack the security budgets and incident-response maturity of larger peers.
Why Manufacturers Are Being Targeted
Manufacturers make an attractive target for a straightforward reason: production lines cannot sit idle for long without cascading financial damage. Every hour a plant stays offline strengthens an attacker's negotiating position, because the cost of downtime, missed delivery commitments, and contractual penalties often outpaces the ransom demand itself. That dynamic makes manufacturers statistically more likely to pay, and to pay quickly, compared with sectors where a delayed response carries less immediate operational cost.
Compounding the problem is the continued convergence of information technology and operational technology (IT/OT) environments on factory floors. Many industrial control systems and OT networks were designed for reliability and uptime rather than security, and they often run on legacy software that is difficult to patch without halting production. When IT and OT networks are not properly segmented, a ransomware infection that starts on a corporate laptop or email account can spread into the systems that actually run the plant.
The research also points to reconnaissance as a growing factor: attackers are increasingly scoping targets using externally visible signals, such as unpatched internet-facing systems, exploitable services, leaked credentials, and misconfigured defenses, before ever launching an intrusion. That means a manufacturer's external attack surface, not just its internal defenses, is doing a lot of the work of choosing who gets hit.
Finally, the supply chain multiplier effect gives ransomware groups outsized leverage relative to the size of the victim. Hitting a single mid-sized supplier can stall production for every downstream customer that depends on its parts or logistics, which is precisely the kind of asymmetric disruption that maximizes pressure to pay.
Notable Tactics
The research describes a threat landscape that is both consolidating around a handful of highly active groups and rapidly diversifying at the same time. Roughly half of the manufacturing attacks recorded in 2026 were carried out by ransomware groups that did not exist two years earlier, reflecting how quickly new operators can stand up infrastructure and start claiming victims after established groups are disrupted or rebrand.
Consistent with broader ransomware trends, double-extortion remains the dominant playbook: attackers encrypt production and business systems while also exfiltrating sensitive data, then threaten public release of that data as separate leverage from the operational disruption itself. Against manufacturers specifically, that combination is especially potent, since attackers can pressure a victim simultaneously with the threat of a halted production line and the threat of leaked intellectual property, supplier contracts, or customer data.
The research also highlights how supply chain positioning amplifies impact: because manufacturers sit inside dense supplier and logistics networks, an attack on one company can disrupt operations, deliveries, and revenue for a large number of downstream partners that were never directly breached. That ripple effect, rather than any single novel technique, is what the research frames as the defining characteristic of manufacturing-sector ransomware in 2026.
What Manufacturers Should Do
Security researchers and incident responders consistently point to the same set of foundational controls for manufacturers looking to reduce ransomware risk:
- Segment IT and OT networks. Limiting connectivity between corporate IT systems and the operational technology that runs production equipment reduces the chance that a routine phishing compromise turns into a full plant shutdown.
- Maintain offline, tested backups. Backups that are isolated from the production network, and regularly tested for restore reliability, remain one of the most effective ways to avoid paying a ransom to resume operations.
- Build and rehearse incident response plans against production-downtime scenarios. Generic IT incident response plans often do not account for the operational and safety implications of taking manufacturing systems offline; response plans should be tested specifically against scenarios where production has to stop.
- Assess supply chain and vendor risk continuously. Given how much of the damage in manufacturing ransomware incidents comes from downstream disruption, understanding which suppliers and logistics partners represent single points of failure is now a core part of risk management, not an optional add-on.
- Monitor and limit third-party access. Vendors, contractors, and managed service providers with standing access to manufacturing networks are a recurring entry point for attackers; that access should be scoped tightly, monitored, and revoked when no longer needed.
None of these measures eliminate risk outright, but the research suggests that manufacturers with strong IT/OT separation, tested backups, and mature vendor oversight are better positioned to absorb an attack without the kind of extended, cascading shutdown that makes the sector such a lucrative ransomware target in the first place.