The numbers are stark. Reportedly, ransomware attacks against manufacturers surged 61% year-over-year — the steepest growth of any industry tracked. The numbers put manufacturing at 27.6% of all global ransomware victims, more than any other sector. In the U.S. alone, there was a documented a 50% increase in ransomware incidents in the first ten months of 2025.
This isn't random. Criminal ransomware organizations — most now operating as sophisticated Ransomware-as-a-Service enterprises with affiliates, and technical support teams have all made a calculated decision: manufacturers are a high-value target.
A halted production line costs tens of thousands of dollars per hour. That operational pressure is exactly what these groups are exploiting.
MFT Tools: The Supply Chain Door
In Q1 2025, a major ransomware group exploited critical vulnerabilities in widely used Managed File Transfer (MFT) software and claimed over 300 victims — 154 of them in manufacturing, food & beverage, and transportation. This followed prior mass-exploitation campaigns against other popular file transfer platforms used throughout manufacturing supply chains. Security researchers at Dragos documented that exploitation of newly disclosed vulnerabilities now occurs within hours of public disclosure. These tools connect manufacturers to suppliers, logistics partners, and ERP systems — one unpatched instance exposes an entire ecosystem.
Unpatched Firewalls and VPN Appliances
Across 2024–2025, criminal groups aggressively targeted perimeter devices from multiple major vendors — many with flaws allowing unauthenticated remote code execution, meaning an attacker could compromise your firewall without ever needing a password. Several critical vulnerabilities in widely deployed firewall and VPN platforms were patched in early 2025, yet large numbers of devices across the industry remained unpatched months later, leaving them actively exploited.
Remote Monitoring & Management Tools: The MSP Pivot
A particularly dangerous trend emerged in Q2 2025: ransomware operators exploited vulnerabilities in remote monitoring and management software used by IT service providers, then used that access to pivot directly into downstream manufacturing clients. In 2025, attackers compromised 148 engineering firms and 124 OT-focused managed service providers — specifically because those firms hold credentials and remote access to multiple industrial sites simultaneously. If your IT provider was breached, you may have been too.
The IT/OT Bridge
IBM X-Force confirmed that 15% of organizations in their 2025 breach report experienced incidents that crossed from IT into OT environments. Dragos tracked a 46% increase in ransomware attacks targeting OT environments in 2025. A September 2025 attack on a major Japanese manufacturing conglomerate is a textbook example: an intrusion into enterprise IT cascaded into production and logistics delays without any direct attack on ICS networks. Per the Industrial Cybersecurity Pulse survey, 67% of manufacturers report significantly different security standards between IT and OT networks — creating exploitable gaps at every integration point.
The 61% surge in ransomware attacks on manufacturers isn't a blip. It's the result of a calculated targeting strategy by well-organized criminal enterprises that understand your operational vulnerabilities. New attack vectors through file transfer tools, remote management platforms, ERP systems, and the IT/OT bridge have expanded the attack surface faster than most organizations have adapted.
So what should you be doing right now?
- Patch aggressively — especially perimeter devices and file transfer systems.
- Enforce multi-factor authentication everywhere. No exceptions.
- Segment IT from OT. A flat network between your ERP and production floor is an open invitation.
- Test and isolate your backups.
- And deploy 24/7 monitoring to detect attackers before they launch.