Manufacturing Security Woes: Why Your Widget-Making Workplace is Worrying Me
Manufacturing runs on efficiency – maximizing output, minimizing waste, and reducing downtime. But flexibility is equally critical. Production lines must adapt quickly to shifting market demands and changing customer needs.
The common thread is speed, which frequently conflicts with security.
The Two Attack Paths Driving Most Manufacturing Breaches
Two attack paths drive most manufacturing breaches:
- Phishing: Users download malicious email attachments, giving threat actors an entry point into the network.
- Web application vulnerabilities: Flaws in public-facing applications expose access to internal systems.
Once inside, attackers move quickly. Given that manufacturers have almost no tolerance for production downtime, extortion becomes the most effective leverage – and threat actors know it.
The Core Problem: IT & OT Networks Are Too Closely Connected
Many attacks on manufacturers succeed for a simple reason: IT and OT networks are too closely connected.
When IT networks (used for business operations) and OT networks (used to control physical equipment) lack proper separation, an attacker who breaches the IT side can move freely into the OT side. That is where the most serious damage occurs – including ransomware attacks that can shut down production entirely.
Our testing reveals a consistent gap: manufacturers often believe their networks are properly segmented, but the reality does not match. Weak boundaries between IT and OT systems leave organizations exposed in ways they may not recognize.
Why a One-Size-Fits-All Approach Falls Short
While a layered security approach is essential for all organizations, manufacturing presents a distinct challenge. Threat actors understand how these environments are structured – and they exploit that knowledge. Effective cybersecurity for manufacturing requires a mitigation strategy built specifically for these environments, not a one-size-fits-all solution.
In other words, segment, segment, segment, then test, test, test.
To protect a manufacturing environment, start with segmentation – then test it repeatedly to confirm it holds.
The Most Common Vulnerabilities in Manufacturing
Network segmentation is just one piece of the puzzle. A solid manufacturing cybersecurity plan builds on it with foundational controls that target the vulnerabilities showing up often.
These are the issues that appear most often in this industry:
- Weak password policies: Many systems allow passwords as short as eight characters, or fewer.
- Unsegmented legacy operating systems: Older systems that are not properly isolated create direct pathways into the broader network.
- Poor asset management: Organizations often lack a clear, current picture of what devices are on their network and whether those devices belong there.
- Outdated Active Directory configurations: Technical debt in directory services gives threat actors a fast path to privilege escalation.
- Insufficient social engineering controls: Without strong preventive measures, phishing and manipulation attacks are more likely to succeed.
- Weak physical access controls: Unauthorized physical access to systems and facilities remains an overlooked risk.
Each of these gaps represents a real entry point for attackers. Addressing them requires a structured, documented plan – not a one-time fix.
The Cost of Inaction
Manufacturing has built-in security vulnerabilities. Left unaddressed, they carry a steep price.
Breaches in manufacturing cost more than the cross-industry average – and the consequences go beyond financial loss. Honda, Norsk Hydro, and others have faced serious operational and reputational damage as a result.
A strong security program is not optional. It is the difference between resilience and disruption.
How Wolf & Company Addresses These Risks
Wolf’s Manufacturing, Distribution, and Retail practice builds security programs designed for these realities, not generic frameworks. With more than 100 years of industry experience and a full suite of capabilities under one roof, financial, operational, and cyber risk stays connected and managed.
If you are an organization in this space seeking assistance in implementing your security program, please reach out to a member of our team today.
