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Knowledge base Updated: February 5, 2026

Cyber insurance for industry: What does your policy really cover and how to avoid costly surprises?

In the face of growing threats, cyber risk insurance seems a logical step. It's your financial safety net. But are you sure you know what's written in the fine print in your policy? Does it cover the specific risks associated with a production stoppage? Won't the insurer refuse to pay out, citing a

Marcin Godula Marcin Godula

Risk management in a modern industrial enterprise is based on three pillars: prevention, response and transfer. We invest in safeguards to prevent incidents. We build response plans to minimize damage when it occurs. But what about risks that we can’t fully eliminate? This is where the third pillar - risk transfer- enters the scene, the most popular form of which is cyber insurance.

The “Cyber” insurance market is growing at a rapid pace, and policies are becoming a standard part of risk management strategies in mature organizations. The idea is simple: in exchange for a regular premium, the insurer takes on some of the financial burden of a potential cyber attack. This can include the cost of experts, data restoration, and even business interruption losses. Sounds ideal.

The problem is that the devil, as always, is in the details. An insurance policy is a complicated legal contract, full of definitions, limits and, most importantly, exclusions. In the context of the unique risks of the operational technology (OT) environment, a standard policy designed with the IT world in mind may prove inadequate or even useless. Selecting the right insurance and understanding its terms and conditions is a core competency of every CFO and risk manager in the industry today.

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Why has cyber insurance ceased to be a luxury and become a necessity for the industry?

Just a few years ago, a “Cyber” policy was seen as an exotic add-on for technology or financial companies. Today, with the rising tide of ransomware attacks on the manufacturing sector and the astronomical cost of downtime, it has become an essential part of financial hygiene. The risk of a major incident is so high, and its potential consequences so devastating, that few companies can sustain such a blow on their own.

Insurance acts as a financial airbag. It won’t prevent the incident itself, but it can significantly mitigate its effects. In a moment of crisis, when a company must immediately engage expensive incident response and IT forensics experts, a policy provides liquidity and access to a proven network of partners. What’s more, business interruption coverage can be crucial to a company’s survival during a period when it is not generating any revenue.

It is also worth remembering the pressure from business partners. Increasingly, large customers (e.g., in the automotive industry), as part of their supply chain risk management programs, explicitly require their sub-suppliers to have an adequate cyber policy as a condition for continued cooperation.

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How do you reliably estimate the amount of insurance needed for your manufacturing facility?

Choosing the right amount of insurance is one of the most important decisions. Too low a sum will mean that in the event of a serious incident, the compensation will cover only a small part of the losses. Too high will mean an unnecessarily inflated premium. So how do you find the golden mean?

The basis for a reliable valuation is, once again, the Business Impact Analysis (BIA) and the calculation of potential losses after a cyber attack, which we described in a previous article. You need to conduct an internal exercise and estimate a worst-case but still plausible scenario. What would be the maximum total losses (downtime costs, response costs, contractual penalties) if your factory was paralyzed for, say, two weeks?

The result of this calculation is your starting point for discussions with the insurer. It is this amount that should be the basis for determining the sum insured in key areas, such as business interruption. Without this internal analysis, choosing a sum insured is just guesswork.

Will the insurer require an OT security audit before signing the contract?

Yes, it is increasingly a standard requirement. The cyber insurance market is hardening. Faced with the growing number and amount of claims paid out, insurers have become much more cautious. They no longer want to insure “black boxes.” Before they provide an offer and calculate a premium, they want to understand exactly what the real level of risk and maturity of cyber security is at a given company.

Therefore, it is becoming a standard part of the risk assessment (underwriting) process to complete a detailed security questionnaire and, in the case of industrial companies, increasingly to require an independent, external security audit, with a focus on the OT environment.

The insurer wants to see that the company is serious about security, that it has basic controls in place (such as backup, segmentation, MFA) and that it is actively managing its risks. Failure to provide the results of such an audit can result in either a denial of insurance or a prohibitive premium.

What documents and certifications (e.g., compliance with IEC 62443) can significantly reduce the premium?

Insurers reward maturity. The better you are able to prove that your company has and follows cyber security best practices, the lower your premium will be. Having certain documents and certifications is the strongest proof of this maturity.

Having an up-to-date audit or penetration test report that shows a company is regularly reviewing its security is a huge asset. Having formal certifications, such as ISO 27001 for an Information Security Management System, is an even stronger argument.

In the context of the industry, it is also increasingly important to demonstrate compliance with IEC 62443. Being able to prove that the network architecture is designed according to the concept of zones and channels, and that key systems meet specific Security Levels, sends a clear signal to the insurer that the risk is being managed professionally, which directly translates into a more favorable offer.

Is your policy sure to cover the gigantic cost of production line downtime after a ransomware attack?

This is the most important question any manufacturing company must ask itself. Many standard “Cyber” policies, designed with IT in mind, focus on covering the costs associated with a data breach. But for a factory, the biggest loss is Business Interruption (BI).

You need to make sure that your policy includes a dedicated, clearly defined extension that covers losses resulting from a business interruption caused by a cyber attack on OT systems. Read the definition of “computer system” in the contract very carefully - does it cover industrial control systems (SCADA, PLC, HMI) or just office infrastructure?

Attention should also be paid to the so-called waiting period. Many policies start covering BI losses only after a certain amount of time has passed since the incident occurred, such as 12 or 24 hours. This means that you will have to cover losses from the first, most chaotic 24 hours of downtime out of your own pocket.

What are the most common and dangerous exclusions in standard cyber-OT policies?

Every insurance policy contains a list of exclusions, that is, situations in which the insurer is not liable. Reading and understanding them carefully is absolutely crucial to avoid unpleasant surprises at the claim stage.

Among the most common exclusions are damages resulting from war and terrorism, a clause of great importance in today’s geopolitical situation. This is because many attacks on critical infrastructure can be classified as warlike actions sponsored by a foreign state.

Other common exclusions include damage resulting from the failure of third-party critical infrastructure (e.g., a power plant failure that knocked out power to a factory), damage caused by an employee’s intentional act (sabotage), or damage that could have been prevented by installing known critical security patches. This last exclusion is particularly dangerous and underscores the importance of having a mature vulnerability management process.

Does insurance cover the cost of restoring PLC software or replacing a physically damaged controller?

This is another extremely important detail. Standard policies focus on “data” recovery. But what if the attacker, by tampering with the PLC, caused physical damage to it (e.g., by “overdriving” the motor it controlled)?

Carefully verify that the policy’s definition of “damage” includes the cost of restoring firmware and control logic on embedded devices. Also verify that the policy includes coverage for damage to hardware (equipment) that was the direct result of a cyber attack.

Often, coverage for physical damage is available, but as an additional, separately paid extension. It is worth considering its purchase, as the cost of replacing a complex, specialized driver can be very high.

Cyber policy shopping checklist for industry

CategoryKey Question for VerificationWhy is this important?Coverage RangeDoes the policy explicitly cover business interruption (BI) losses caused by an attack on OT systems?This is the biggest financial risk for a factory. Standard IT policies may not cover it. DefinitionsHow does the policy define “computer system”? Does it include SCADA, HMI and PLC? The devil is in the details. The wrong definition can exclude your entire production infrastructure from protection. ExclusionsWhat are the key exclusions, especially those related to war, terrorism and lack of due diligence?You need to know in which situations the policy will definitely not work.PrerequisitesWhat minimum protections (e.g., backup, MFA, audit) does the insurer require for the policy to be valid?Failure to meet these conditions may be grounds for denial of compensation.Damage Report ProcessWhat is the required time to report a claim and what panel of incident response companies does the insurer work with?During a crisis, there is no time to look up phone numbers. The procedure must be clear and rehearsed.

How much is the standard contribution (franchise) for companies in the manufacturing sector?

The deductible (excess) is the amount that the company must cover on its own before the insurer begins to pay the claim. Its amount is always subject to negotiation and depends on the size of the company, its risk profile and the sum insured.

In the case of manufacturing companies, due to the high potential losses, franchises are usually higher than in other sectors. They can range from tens of thousands to even hundreds of thousands of zlotys for any single loss.

Choosing the amount of deductible is a classic risk appetite decision. A higher deductible means a lower insurance premium, but more financial pain in the event of an incident. A lower deductible means a higher premium, but less strain at the time of a crisis. This decision should be made consciously, based on a financial analysis of the company.

What is the step-by-step procedure for reporting damage after an attack on a SCADA system?

Each policy contains a detailed procedure for reporting damage, which must be strictly followed. Typically, the first step after discovering an incident is to immediately contact the insurer’s 24-hour hotline. This is crucial because most policies require that the incident response process be managed by one of the expert companies on the insurer’s list of authorized partners.

Hiring an off-panel computer forensics company on its own may result in the insurer not covering the cost of its work. Once reported, the insurer sets the process in motion, assigning a claims manager and engaging the appropriate experts.

Your task is to cooperate fully with these experts, provide them with all the necessary information and documents, and strictly follow their recommendations. It is also extremely important to carefully document all costs and losses incurred, which will be the basis for a later claim for compensation.

What mistakes should be avoided after an incident so as not to risk being denied compensation?

The biggest mistake is to act on your own and cover your tracks. Panic rebooting servers, trying to remove viruses or formatting disks on your own before computer forensics experts arrive on the scene can make it impossible to determine the cause of an incident. And if the cause cannot be determined, the insurer may dispute its liability.

The second mistake is the delay in reporting the damage. Most policies specify a maximum time for notification of an incident (e.g. 48 or 72 hours). Exceeding this time limit can be grounds for denying compensation.

A third mistake, often not obvious, is publicly admitting fault or taking responsibility in communications with customers or the media before it has been agreed with the insurer and its lawyers. Such statements can have serious legal and insurance consequences.

Is it possible to insure only the office IT network while ignoring risks in the OT production network?

Technically this is possible, but it is an extremely risky and short-sighted strategy. Many companies, in order to lower premiums, try to limit insurance coverage to IT infrastructure only, declaring that their OT network is “isolated.”

As we already know, in the age of convergence, the boundary between IT and OT is often illusory. An attack that starts in the office network can easily jump to the production network, causing losses that will not be covered. An insurer, in the course of a post-breach analysis, is sure to discover these undisclosed connections, which could be grounds for challenging the entire policy.

A mature approach requires transparency. Provide your insurer with a complete picture of your infrastructure, including OT, and look for a policy that openly and explicitly covers the risks associated with your production environment. It is more expensive, but only such insurance provides real protection.

Where and how to compare cyber insurance quotes dedicated to industry?

The cyber insurance market is complex and dynamic. Trying to compare quotes from different insurers on your own is very difficult, as each company uses slightly different terminology and has a different product structure.

The best and safest approach is to use an experienced insurance broker who specializes in cyber risks. Such a broker, acting on your behalf, knows the market, understands the nuances of the various offerings and is able to find a product that is best suited to your company’s unique needs.

The broker will help you not only in comparing prices, but especially in analyzing coverage and exclusions. He will also help you prepare the information necessary for the insurer and negotiate the final terms of the policy.

How does nFlo help with the documentation and auditing required by insurers?

At nFlo, we understand very well that the process of buying cyber insurance begins long before you talk to a broker. It starts with building a solid foundation and the ability to prove your maturity. As a company that specializes in cyber insurance, not insurance, our role is to make your company an attractive and informed customer for the insurance market. We help you conduct an independent OT security audit, which is a key requirement for insurers today. Our audit results and recommendations become a roadmap for you to implement security measures that not only realistically protect your company, but also allow you to obtain much more favorable insurance terms. We help you prepare complete documentation that presents your security posture in a professional and data-driven manner, which significantly strengthens your negotiating position.

Learn key terms related to this article in our cybersecurity glossary:

  • Ransomware — Ransomware is a type of malicious software (malware) that blocks access to a…
  • Security Operations Center (SOC) — Security Operations Center (SOC) is a central location where a team of security…
  • SOC as a Service — SOC as a Service (Security Operations Center as a Service), also known as…
  • Cybersecurity — Cybersecurity is a collection of techniques, processes, and practices used to…
  • Cybersecurity Incident Management — Cybersecurity incident management is the process of identifying, analyzing,…

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