Imaging System Security via Real-Time Anomaly Detection
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Solution Overview
Problem
Medical imaging systems connected to hospital networks are vulnerable to sophisticated cyber-attacks, especially due to unknown software vulnerabilities and the limitations of existing security measures which can become ineffective over time, posing risks to the integrity and safety of imaging procedures.
Innovation Solution
An embedded security system that monitors and learns normal system behavior patterns, detects abnormal usage in real-time, and performs corrective actions to secure the imaging system by restricting access and activating backup resources, thereby preventing malicious activities and ensuring continued safe operation during imaging procedures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional security controls are used to protect the imaging system, then basic security is maintained, but the system remains vulnerable to sophisticated cyber-attacks that can appear legitimate to typical security controls
Solution Approach 1:
The system continuously monitors system behavior and usage patterns, comparing real-time data against established baselines to detect deviations that may indicate cyber-attacks. This closed-loop feedback mechanism enables dynamic detection and response to evolving threats rather than relying on static security rules
Solution Approach 2:
The imaging system autonomously detects abnormal behavior and executes corrective actions without requiring external intervention. The system self-monitors its own usage patterns and automatically responds to detected threats by isolating compromised components or activating backup resources
2Reliability
If the system restricts access to secure the imaging system during detected abnormal usage, then security is improved, but system availability and user productivity may be reduced
Solution Approach 1:
The system divides functionality into separate operational modules with backup resources. When a threat is detected, only the affected segment is isolated or restricted, while other segments continue to operate normally, maintaining partial system availability rather than complete shutdown
Solution Approach 2:
The security response is dynamically adjusted based on the severity and nature of detected abnormal behavior. The system applies graduated corrective actions ranging from monitoring enhancements to selective access restrictions, rather than applying uniform blanket restrictions that would reduce availability
Data Source
AI summary
Various methods and systems for securing imaging systems are provided. In one embodiment, a method for an imaging system comprises monitoring usage of the imaging system in real-time while a user is controlling the imaging system, detecting that the usage of the imaging system is an abnormal usage, and performing one or more corrective actions based on the abnormal usage. In this way, an imaging system may be secured from cyber-attacks that may attempt to maliciously execute in an abnormal context while appearing legitimate to typical security controls.