Cyber-retro-reflector for IoT security via photonic isolation
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Solution Overview
Problem
Current IoT systems face vulnerabilities in security due to the limitations of radio-frequency architectures, including signal range, omni-directionality, and penetration through solid objects, leading to ineffective hack detection methods that fail to identify dormant or disguised malicious code, especially in interconnected systems.
Innovation Solution
Implementing a method that uses highly correlated data from isolated independent pathways, combined with photonic communication techniques such as retro-reflection, to restrict external Input/Output functionality and detect anomalies by comparing system telemetry data with data from passive sensors, thereby creating an isolated, secure communication pathway that is difficult for hackers to intercept.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radio-frequency architectures are used for IoT communication, then connectivity and signal transmission are improved, but security vulnerabilities increase due to signal penetration and omni-directional nature
Solution Approach 1:
The patent replaces radio-frequency electromagnetic field-based communication with photonic communication using retro-reflectors. This substitution changes the fundamental physics from RF waves that penetrate objects and radiate omnidirectionally to photons that require direct line-of-sight and are reflected back to the source, thereby eliminating the security vulnerabilities associated with RF penetration and omni-directional transmission while maintaining reliable connectivity.
Solution Approach 2:
The retro-reflector acts as an intermediary device in the photonic communication system. It receives photons from the source, reflects them back along the same path, and enables communication without requiring the transmitter and receiver to have direct electronic connection or line-of-sight knowledge, thus providing secure communication that prevents eavesdropping and hacking.
2Ease of operation
If external interfaces are kept 'on' for IoT device operation, then ease of operation is improved, but security risk increases due to potential hack access
Solution Approach 1:
The system preliminarily disables external interfaces by default before any operation occurs. The photonic communication system requires the retro-reflector to be physically present and properly positioned before communication can occur, effectively pre-securing the interface against unauthorized access while allowing legitimate operation when the security condition is met.
3Reliability
If photonic communication with retro-reflection is implemented, then security is improved through isolated pathways, but device complexity increases
Solution Approach 1:
The patent extracts the security function from complex software-based security systems and implements it through a simple passive optical component - the retro-reflector. By removing active electronics from the communication path and using only passive photonic elements, the system achieves high security through physical isolation while reducing overall system complexity compared to software-based security solutions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach enhances the security of IoT systems by reducing the risk of hacking by maintaining external interfaces in an 'off' state unless authorized, allowing for more reliable detection of hacking attempts and preventing data breaches through isolated data streams that are inaccessible to hackers.
Implementation Method 1
visible and near visible photonic (aka 'light') components, subassemblies, and systems
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
This cyber-retro-reflector technology is a series of Architectures, representing staged: deployments, including backward compatibility, of products with enhanced features, for integrating technologies and capabilities:: of electronic and photonic systems to: (a) reduce power consumption for circuits and systems that are placed into 'off' and/or disabled states, including external Interface portals of electronic and photonic systems, (b) increase and enhance intra-/inter- connectivity, interoperability, and functionality of a system and the aggregate of systems, (e); increase and enhance integrated capabilities leading to higher computational performance for the system and the aggregate of systems, (d) take full advantage, of photonic capabilities, and (a) improve hacking detection.