Two-Port Network Sanitization for Untrusted IP Camera Traffic
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Solution Overview
Problem
Untrusted IP cameras and other dedicated-function devices pose a risk to sensitive networks by potentially introducing malicious or unintended network activities, compromising network security and integrity, which existing security measures fail to adequately address.
Innovation Solution
A network sanitization device is inserted between untrusted devices and the network, intercepting and sanitizing all communications to ensure only authorized transmissions occur, using a processor to evaluate and recreate communications according to a safe protocol, thereby isolating the untrusted devices and enforcing secure network access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If untrusted IP cameras and dedicated-function devices are connected to the network, then device functionality and network coverage are improved, but network security and integrity are compromised
Solution Approach 1:
A network sanitization device is introduced as an intermediary component between untrusted IP cameras and the sensitive network. This device intercepts all communications from the untrusted devices, evaluates them against predefined safe protocols, and only permits authorized transmissions to reach the network, thereby enabling device functionality while maintaining network security
Solution Approach 2:
The malicious or unintended network activities are extracted and isolated from the sensitive network through the sanitization device. The device separates legitimate surveillance traffic from potentially harmful communications, allowing only purified data to enter the network while blocking malicious payloads
2Reliability
If existing security measures are used to protect the network, then network protection is provided, but they fail to adequately address malicious functions from untrusted devices
Solution Approach 1:
The network sanitization device performs preliminary evaluation of all communications from untrusted devices before they reach the sensitive network. By intercepting and analyzing packets in advance against predefined safe protocols, the system prevents malicious functions from being executed on the network rather than reacting to threats after they manifest
3Reliability
If a network sanitization device is inserted between untrusted devices and the network, then network security is improved, but device complexity increases
Solution Approach 1:
The network sanitization device is designed as a universal solution that handles multiple security functions through a single component. It performs protocol evaluation, traffic filtering, malware detection, and communication monitoring all within one device, reducing overall system complexity compared to implementing multiple separate security measures
Data Source
AI summary
A network sanitization technology for enforcing a network edge and enforcing particular communication functions for untrusted dedicated-function devices such as IP cameras. An untrusted network device is isolated from a network by a network sanitization system such that it cannot communicate with the network. Communications from the untrusted device are intercepted by the system and only allowed communications are used. Allowed communications are used to create new communications according to an allowed framework. Sanitization device may be in small two-port package with visual indicia indicating the untrusted device and the network side. The device may use and provide PoE to device. Abstract is not to be considered limiting.