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Across 40 modules • Updated Mar 10, 2026
Author
Sorena AI
Published
Mar 10, 2026
Updated
Mar 10, 2026
CRA Hardware and Software Boundaries

Are separately marketed hardware or software components products in their own right?

Yes. Article 3(1) expressly includes software or hardware components placed on the market separately.

The Commission FAQ gives firmware, embedded software, integrated circuits, motherboards and sensors as examples. If such a component is later integrated into another product, the integrator still needs to assess the resulting product risks and component dependencies.

Citations
Cyber Resilience Act

Article 3(1) brings separately marketed software or hardware components into the definition of products with digital elements.

CRA Hardware and Software Boundaries

Does integrating an important or critical component automatically make the whole product important or critical?

No. The Commission FAQ explains that integrating an important or critical product with digital elements into another product does not automatically subject the whole product to the conformity assessment procedures for important or critical products.

The compliance analysis still has to look at the product's own core functionality and the risks introduced by the integrated component.

Citations
Cyber Resilience Act

Article 7(1) addresses integration of important or critical products with digital elements into another product.

CRA Hardware and Software Boundaries

Can websites, SaaS, PaaS or IaaS be part of a CRA product boundary?

Not automatically. Websites that do not support the functionality of a product with digital elements are not themselves products with digital elements. Standalone SaaS or other cloud solutions designed and developed outside the responsibility of the manufacturer are also not products with digital elements on that basis alone.

They can become relevant if they meet the CRA definition of remote data processing: data processing at a distance, implemented through software designed and developed by the manufacturer or under its responsibility, whose absence would prevent the product from performing one of its functions.

Citations
Cyber Resilience Act

Recital 12 distinguishes manufacturer-controlled cloud-enabled functions from websites and cloud services outside the manufacturer's responsibility.

CRA Hardware and Software Boundaries

What makes remote data processing part of the same product with digital elements?

Article 3(2) has three practical checks: the processing is at a distance; the relevant software is designed and developed by the manufacturer or under its responsibility; and without it the product cannot perform one of its functions.

Recital 11 gives the example of a mobile application that requires a manufacturer-provided API or database service. In that case, the remote service can be part of the product boundary as a remote data processing solution.

Citations
Cyber Resilience Act

Article 3(2) defines remote data processing and Recital 11 explains the API or database service example.

CRA Hardware and Software Boundaries

Does the CRA product boundary include the remote servers or cloud hardware behind a remote function?

No, not as hardware merely because the remote function runs there. The CRA definition of remote data processing focuses on data processing software, and Recital 11 says the related requirements do not cover the manufacturer's network and information systems as a whole.

The risk assessment should still consider dependencies on hosting, availability, interfaces and third-party services where those dependencies can affect the product's cybersecurity.

Citations
Cyber Resilience Act

Recital 11 limits remote data processing scope and excludes managing the manufacturer's network and information systems as a whole.

CRA Hardware and Software Boundaries

If a product depends on third-party SaaS or cloud services, does that service automatically become CRA remote data processing?

No. A third-party service does not become CRA remote data processing merely because the product depends on it. The manufacturer-responsibility test still matters.

If the service was not designed and developed by the manufacturer or under the manufacturer's responsibility, the safer analysis is to treat it as an external dependency or component risk: document why it is outside the product boundary, assess the cybersecurity risk it creates, and control the dependency through architecture, supplier due diligence and user information where relevant.

Citations
Cyber Resilience Act

Article 3(2) requires manufacturer-designed or manufacturer-responsible software for remote data processing status; Article 13(5) requires due diligence when integrating third-party components.

CRA Hardware and Software Boundaries

Can a complex system made from multiple hardware and software elements be one CRA product?

Yes, where it is placed on the market as one product with digital elements. Industrial IoT devices, machinery, smart devices and other connected systems can combine hardware, firmware, software, interfaces and remote functions inside one compliance boundary.

Long development cycles, legacy architecture and interoperability constraints do not remove the CRA analysis. They affect the cybersecurity risk assessment, technical documentation, support-period decisions and conformity approach.

Citations
Cyber Resilience Act

Annex VII requires technical documentation to describe system architecture and how software components integrate into the overall processing.

CRA Hardware and Software Boundaries

What product changes should trigger a fresh CRA boundary review?

Review the boundary when a release adds a required app, driver, firmware package, cloud API, database service, identity function, remote-command feature, update service, paid module, separately marketed component or third-party dependency that a product function relies on.

Also review it when software moves from sample or test distribution into commercial supply, when source code is licensed for customer use, when a component starts being sold separately, or when a remote service moves under or out of the manufacturer's design responsibility. Those changes can alter what is placed on the market and what the cybersecurity risk assessment must cover.

Citations
Cyber Resilience Act

Article 13(2)-(5) ties product planning, design, development, delivery, maintenance, risk assessment and third-party component due diligence to the product boundary.

CRA Hardware and Software Boundaries

What evidence should a team keep for a CRA hardware-software boundary decision?

Keep a product-boundary record that names the hardware, firmware, installed software, downloadable software, source-code packages, required apps, hosted functions, APIs, databases, update services and separately marketed components included in the product.

For each item, record whether it is necessary for a product function, who designed and developed it, who places it on the market, whether it is under the manufacturer's responsibility, whether it is remote data processing, and how it is covered in the cybersecurity risk assessment and technical documentation.

Citations
Cyber Resilience Act

Article 13 and Annex VII support keeping risk-assessment, architecture, component and conformity evidence for the product boundary.

CRA Harmonised Standards

What are harmonised standards, common specifications, and European cybersecurity certification schemes under the CRA?

They are technical conformity tools for showing how a product with digital elements and the manufacturer's processes meet the CRA's essential cybersecurity requirements.

Harmonised standards are European standards requested and assessed through the EU standardisation system. Common specifications are Commission implementing acts that can be used only as an exceptional fallback where the Article 27 conditions are met. European cybersecurity certification schemes can support CRA conformity only to the extent the relevant certificate or EU statement of conformity covers the CRA requirements.

Citations
Cyber Resilience Act

Article 27 establishes the CRA legal effects for harmonised standards, common specifications, and European cybersecurity certification schemes.

CRA Harmonised Standards

Are harmonised standards mandatory under the Cyber Resilience Act?

No. Applying harmonised standards is voluntary, but the manufacturer must still demonstrate conformity with the CRA's essential cybersecurity requirements.

If a manufacturer does not use a relevant harmonised standard, or uses only part of it, the technical documentation needs to explain the other solutions and technical specifications used for the requirements not covered by the standard.

Citations
Cyber Resilience Act

Annex VII point 5 requires technical documentation to list applied harmonised standards or describe other solutions.

CRA Harmonised Standards

Does every European, ISO, IEC, or ETSI standard create CRA presumption of conformity?

No. For a harmonised standard to create CRA presumption of conformity, its reference must be published in the Official Journal of the European Union for the relevant coverage.

A non-harmonised international, European, ISO, IEC, or ETSI standard may still be useful evidence, but it does not by itself create CRA presumption of conformity. The Blue Guide also warns that where a European standard is based on ISO or IEC text, the presumption attaches to the European version published by reference in the OJEU, not automatically to the source international text.

Citations
Cyber Resilience Act

Article 27(1) ties CRA presumption of conformity for harmonised standards to OJ-published references.

Blue Guide 2022

Blue Guide sections 4.1.2.2 and 4.1.2.3 explain OJEU publication and the European-version limit.

CRA Harmonised Standards

What does CRA presumption of conformity mean in practice?

It means authorities should presume conformity with the specific CRA essential cybersecurity requirements covered by the applied harmonised standard, common specification, or qualifying certification evidence.

The presumption is not product-wide unless the applied conformity tool covers all relevant CRA requirements and risks for that product and the manufacturer's processes. If coverage is partial, the presumption is partial.

Citations
Cyber Resilience Act

Article 27(1), 27(5), and 27(8) limit presumption to the essential requirements covered by the relevant tool.

Blue Guide 2022

Blue Guide section 4.1.2.2 explains that the scope of presumption depends on the requirements the standard aims to cover.

CRA Harmonised Standards

Do CRA harmonised standards replace the manufacturer's cybersecurity risk assessment?

No. The cybersecurity risk assessment remains the starting point for deciding which CRA essential requirements are relevant to the product.

The Commission FAQ says that even when a harmonised standard is used, the manufacturer remains responsible for assessing product risks, selecting suitable standards or other specifications, and checking whether the standard covers all relevant risks.

Citations
Cyber Resilience Act

Article 13(2) and Annex VII require the manufacturer's cybersecurity risk assessment and its inclusion in technical documentation.

CRA Harmonised Standards

What if a CRA harmonised standard covers only part of the product or only part of the requirements?

Then only that part benefits from presumption of conformity.

For the remaining requirements or risks, the manufacturer must use other technical specifications or solutions, explain them in the technical documentation, and show why those solutions meet the applicable CRA requirements.

Citations
Blue Guide 2022

Blue Guide section 4.1.2.3 confirms that partial application gives presumption only to the covered extent.

CRA Harmonised Standards

What did the CRA standardisation request M/606 ask CEN, CENELEC, and ETSI to develop?

The Commission says M/606 requests a set of harmonised standards in support of CRA compliance, with both horizontal and vertical standards.

Horizontal standards are intended to provide a common framework, methodology, taxonomy, and processes such as vulnerability handling. Vertical standards are product-specific and focus on risks tied to particular intended purposes and reasonably foreseeable uses, especially for important and critical product categories in CRA Annexes III and IV.

Citations
CRA Harmonised Standards

Does the CRA standardisation request itself create presumption of conformity?

No. M/606 starts and frames the standards-development work; it is not the same as an OJ-published harmonised standard.

Even after an ESO adopts a European standard, Article 27(6) requires the Commission to assess it before publishing its reference in the Official Journal. Until the relevant reference is published, the standard does not create CRA presumption of conformity.

Citations
Cyber Resilience Act

Article 27(6) requires Commission assessment before OJ publication of a harmonised standard reference.

Blue Guide 2022

Blue Guide section 4.1.2.3 says OJEU publication starts the presumption and is not automatic.

CRA Harmonised Standards

What happens under the CRA if no relevant harmonised standard exists yet?

The product can still be compliant, but the manufacturer must demonstrate conformity by other means.

The absence of a harmonised standard can also affect route selection. For important products of class I, if relevant harmonised standards, common specifications, or qualifying certification schemes do not exist, Article 32(2) requires a third-party conformity assessment route for the corresponding essential cybersecurity requirements.

Citations
Cyber Resilience Act

Article 32(2) sets the class I route consequence when relevant harmonised standards, common specifications, or schemes do not exist or are not applied.

Blue Guide 2022

Blue Guide section 4.1.3 explains that manufacturers may use other means but must demonstrate conformity themselves.

CRA Harmonised Standards

When can the Commission adopt CRA common specifications?

Only in the fallback situations set out in Article 27.

The Commission may adopt common specifications after it has requested harmonised standards and the request was not accepted, the standards were not delivered on time, or the standards do not comply with the request. Article 27 also requires that no relevant OJ-published harmonised-standard reference exists and no such reference is expected within a reasonable period.

Citations
Cyber Resilience Act

Article 27(2)-(4) defines the conditions and consultation steps for common specifications.

CRA Harmonised Standards

Are CRA common specifications a general mandatory substitute for harmonised standards?

No. Common specifications are an exceptional fallback tool, not the normal first-line standardisation route.

If common specifications are adopted and applied, they can create presumption of conformity for the CRA requirements they cover. If a manufacturer does not apply them, Annex VII still requires the technical documentation to describe the alternative solutions and relevant technical specifications used.

Citations
Cyber Resilience Act

Annex VII point 5 requires documentation of other solutions when common specifications are not applied.

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