BT Group had 44 patents in cybersecurity during Q4 2023. BT Group Plc filed patents in Q4 2023 for methods related to authentication using physical unclonable functions, determining quantum entanglement of qubits, mitigating malware spread within communicating computer systems, and protecting IoT devices from network attacks by triggering responsive actions based on detected compromises. GlobalData’s report on BT Group gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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BT Group grant share with cybersecurity as a theme is 34% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Manufacturer cloneable physical uncloneable functions (Patent ID: US20230412401A1)
The patent filed by BT Group Plc describes an authentication method utilizing physical unclonable functions (PUFs) to verify the identity of devices. The method involves obtaining responses to challenges from different PUFs associated with different devices, comparing these responses to authenticate the devices. The PUFs have corresponding surface patterns, and the method includes specific configurations for obtaining responses and compensating for differences between PUFs to ensure accurate authentication.
Furthermore, the patent details the manufacturing process for these PUFs, involving the division of objects with structural features to create PUFs with unique portions of the original feature. The objects can be crystalline materials with specific defects or interfaces, and the method ensures that each PUF is substantially identical to others. Additionally, the patent covers the transformation of responses and the use of arrays of particles to create hardened structures for PUFs. Overall, the patent outlines a comprehensive authentication method and manufacturing process for PUFs to enhance device security and verification in network elements.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
