Page 14 - Spring 2025 Electron
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Industry News


                                                                                                                                 such as smart home devoces, security cameras,          specifically highlighted.
                                                                                                                                 wearable electronics, tablets, phones, white goods,
                                                                                                                                                                                        He then explains the steps to compliance, beginning
                                                                                                                                 industrial control systems, software applications and
                                                                                                                                                                                        with a cyber resilience risk assessment, which
                                                                                                                                 operating systems. Additional stricter requirements
                                                                                                                                                                                        becomes ‘the backbone of documentation’. A list of
                                                                                                                                 will apply to ‘critical’ products such as those used in
                                                                                                                                                                                        bullet points is then provided as a guide:
                                                                                                                                 healthcare and energy provision.
                                                                                                                                                                                          •  Secure boot, with firmware images
                                                                                                                                 In Startups Magazine, issue 41, Jan/Feb 2025,
                                                                                                                                                                                            authenticated against an immutable hardware
                                                                                                                                 Andrew Pockson, Engineering Manager at Anglia
                                                                                                                                                                                            - based root of trust, such that only the signed
                                                                                                                                 Components, summarises the core provisions of the
                                                                                                                                                                                            firmware, application and file system can be
                                                                                                                                 Act as follows:
                                                                                                                                                                                            loaded.
                                                                                                                                   •  Security by Design and Default - requiring
                                                                                                                                                                                          •  File system encryption using a secret key
                                                                                                                                     manufacturers to integrate security features
                                                                                                                                                                                            held in hardware, with the method of key
                                                                                                                                     from the initial design stage and ensure               generation being device specific. Keys may be
          UPDATE ON                                                                                                                  products are secure by default.                        held securely by the application processor’s
                                                                                                                                   •  Vulnerability Management - requiring                  cryptographic subsystem and can be used
          CYBERSECURITY                                                                                                              procedures for managing vulnerabilities                within the subsystem to decrypt data, which
                                                                                                                                     throughout the product lifecycle, including            in turn may provide keys to decrypt data in a
                                                                                                                                     notifying authorities and users of potential risks.    “Merkle tree” arrangement.
                                                                                                                                   •  Transparency and Information Disclosure -           •  Transport layer security such that data that is
                                                                                                                                     requiring clear and detailed information about         encrypted on the device at rest, but decrypted
                                                                                                                                     a product’s cybersecurity features and known           when later in use, is kept secure through its
                                                                                                                                     vulnerabilities.                                       interfaces.
                                                                                                                                   •  Compliance and Certification - requiring            •  Generation of a software Bill of Materials in an
          The Role of Silicon Photonics in Fully                processing speed, reduced energy consumption                         testing and certification to verify compliance,        approved format.
          Homomorphic Encryption                                and scalability, creating new opportunities for data                 with fines of up to 2.5 per cent of turnover for
                                                                                                                                                                                          •  A starting-point vulnerability assessment
                                                                privacy and processing in areas such as healthcare,                  non-compliance.
          Fully Homomorphic Encryption (FHE) is a quantum-                                                                                                                                  based on the above that takes into account
                                                                finance and defence.
          resilient cryptographic method that allows                                                                               •  Incident Reporting - requiring significant            common vulnerabilities and exposures taking
          encrypted data to be processed and shared without     Under certain conditions, light can transfer vast                    cybersecurity incidents to be reported to              into account the threat model, plus a mitigation
          having to be decrypted or exposed. This enables       amounts of information at high speeds. Hence, by                     relevant authorities within 24 hours.                  plan.
          multiple parties to collaborate using sensitive data   using silicon photonics to power FHE the process can            In Electronic Specifier Design, March 25th. David        •  A documented ongoing monitoring, reporting
          without having to access it directly, resolving the   be speeded up, as well as ensuring that data remains             Pashley, Co-founder and Managing Director of Direct        and mitigation process for vulnerabilities that
          trade-off between data protection and utilisation.    secure and resistant to quantum computing.
                                                                                                                                 Insight, expands further by stating “no compliance,        occur during the product lifetime.
          With more organisations moving more of their          Examples of recent applications include Apple’s                  no CE Mark and no shipping to the EU”.                   •  A mechanism to issue and provide free secure
          operations to the cloud, FHE has the advantage        inclusion of homomorphic encryption in its iOS18,                He emphasises notably that many embedded                   updates, which, for connected products, would
          of allowing computations to be performed on           demonstrating viability for mainstream applications.
                                                                                                                                 products become part of a larger system once               be ‘over-the-air’.
          encrypted data even in untrustworthy environments.    Features such as Caller ID Lookup, where encrypted               commissioned, which brings them under the Act.
          It therefore has wide-ranging applications across     requests are sent to servers for caller identification,
                                                                                                                                 Building blocks, such as boards, modules and
          many sectors. For example, in healthcare it can       now places this technology practically in the hands of           operating systems, which now require a CE Mark, are
          permit the secure analysis of patient data for        millions of iPhone users.
          advanced research, while in finance it can facilitate   Reference: New, N., ‘The Future of Fully Homomorphic Encryption’, IoT
          fraud detection with sensitive data remaining         Insider, Q1 2025, p.28-29.
          encrypted.
          Unfortunately, there are barriers to adoption. First, it is   Understanding the Cyber Resilience Act
          technically complex and requires specialist expertise
                                                                The Cyber Resilience Act is a landmark piece of                    Visit our website!
          for effective management and implementation,
                                                                legislation that has been introduced by the EU with
          which makes it largely inaccessible for organisations
                                                                the aim of enhancing the security of connected
          that lack dedicated cryptographic skills. Then, there
                                                                products and protecting the digital ecosystem.
          is the issue of computational power and advanced                                                                         Why not head down to our website and
          hardware infrastructure, coupled with the slow        The Act was introduced as a proposal in September                  read more news in our blog section?
          processing speed that tends to characterise FHE,      2022 and adopted in October 2024. It is expected to
          since performing computations on encrypted data is    become law in 2027. It will notably set mandatory
          more complex than with unencrypted data and takes     cybersecurity requirements for hardware and                        Updated daily with hand-picked articles
          longer.                                               software products that are sold in the EU, and                     from around the web...
                                                                manufacturers, distributors and importers will all
          Now, Dr. Nick New, CEO of Optalysis, is examining
          silicon photonics as a means to help overcome         have to ensure that robust cybersecurity measures
                                                                are incorporated in their product lifecycles. Products
          some of these challenges. This involves the use of
          light rather than electronics to transmit and process   affected are all those that incorporate digital                  institutionofelectronics.ac.uk
                                                                elements, including IoT devices, consumer electronics
          information, providing the advantages of higher data


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