The cyber resilience act (CRA), proposed by the European Commission, is set to introduce mandatory cybersecurity requirements for digital products, including hardware and software that connect to the internet. For embedded systems developers, this raises new questions about architecture, security, and long-term product support.
This topic drew considerable attention at embedded world 2025, where the CRA sparked discussions across panels, product demonstrations, and informal conversations. With embedded systems playing a central role in many connected products and services, the industry is watching closely how this regulation will shape development practices in the years ahead.
While the regulation is still taking shape, it’s worth examining what it might mean for engineering teams building connected devices.
The CRA aims to create a uniform level of cybersecurity across products sold in the EU. It covers a wide range of devices—from consumer electronics to industrial IoT nodes—that connect directly or indirectly to a network. Embedded systems, especially those integrated into larger platforms or communicating via standard protocols, are expected to fall within this scope.
Key areas addressed in the proposal include security built into product design and development, secure handling of vulnerabilities throughout the lifecycle, and obligations to provide updates and fixes for a defined support period.
For developers working on firmware and device-level logic, several aspects of the regulation are particularly relevant. These include secure boot mechanisms to prevent tampering at startup, encrypted communication channels even between embedded components, authentication protocols to verify firmware and connected devices, and documentation of security decisions and implementation.
How these requirements will be interpreted and enforced in real-world projects remains to be seen. However, the direction points toward embedding security as a core design goal rather than an afterthought.
If the CRA is implemented as proposed, engineers may need to adopt common cryptographic standards such as TLS, HMAC, or ECC. They may also need to build secure update mechanisms that support version control and rollback, integrate logging and diagnostics for anomaly detection, and maintain traceable documentation on design choices and mitigations.
One area that may require more attention from embedded engineers is how secure elements (like TPMs or HSMs) are integrated with microcontrollers in low-power environments. The need for real-time encryption, tamper detection, and trusted firmware validation will likely become more widespread—even in devices that historically prioritized performance over protection.
While these practices are already standard in high-security domains, the CRA would extend similar expectations across the broader embedded systems landscape.
One of the challenges in embedded systems is maintaining devices after deployment. Under CRA, manufacturers may be required to deliver security updates, monitor for vulnerabilities, and coordinate with authorities for reporting incidents. This could influence development strategies, especially for long-lived products or resource-constrained platforms.
For engineers, this means designing with the long term in mind. Cybersecurity will no longer be handled by a separate team—it will be part of how software is architected, documented, and maintained. It also means more collaboration across hardware, software, and compliance roles.
For now, engineers may want to familiarize themselves with the draft CRA text, follow discussions from industry bodies, and start assessing how current products align with the regulation’s intent.
At GabbiT and GabTek, we continue to follow developments around cybersecurity regulation and support engineering teams working on secure, reliable, and future-ready systems. As the CRA evolves, we aim to help clients and engineers navigate its implications in a practical, well-informed way.
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