FPGA Network Security Module for Real-Time Malware Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current network security solutions, relying on software approaches, are inadequate in providing immediate protection against new threats and can be circumvented in sophisticated malware attacks, lacking both hardware and software co-design for comprehensive security and malware protection.
Innovation Solution
A multi-function, modular system utilizing a field programmable gate array (FPGA) positioned between a network and a host computing system, configured to monitor data traffic, detect malware, and respond by halting or discarding malicious packets, restoring the operating system, and encrypting/decrypting data, while remaining undetectable to the network and host.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If software-based anti-virus and anti-malware programs are used, then network security monitoring is provided, but the system is slow to operate and cannot provide immediate protection against new threats
Solution Approach 1:
The patent replaces software-based security mechanisms with a hardware-based FPGA system. The FPGA is configured to monitor data packets in real-time at the hardware level, providing immediate protection without the processing delays inherent in software-based anti-virus programs. This hardware substitution enables real-time threat detection and response.
Solution Approach 2:
The system performs preliminary configuration of the FPGA with security rules and thresholds before operation. The FPGA is pre-programmed with detection capabilities for known malware signatures and behavioral patterns, allowing it to immediately begin monitoring and blocking threats without requiring runtime software loading or updates.
2Reliability
If software-based network security solutions are used, then security monitoring is provided, but the solutions can be readily circumvented in sophisticated malware attacks
Solution Approach 1:
The patent replaces vulnerable software-based security layers with a hardware-based FPGA system that operates at a lower level in the system architecture. This hardware foundation provides inherently more robust security that is difficult for malware to circumvent, as it operates independently of the software layer that malware typically targets.
Solution Approach 2:
The FPGA acts as an intermediary hardware layer between the network interface and the host system. It monitors and filters data packets before they reach the host, providing a security barrier that is independent of the host's software state. This intermediary position allows the system to block threats before they can compromise the host system.
3Reliability
If a FPGA is configured to monitor all data packets bidirectionally, then real-time network security and malware protection are achieved, but the system complexity increases
Solution Approach 1:
The patent segments the security monitoring function into distinct FPGA configuration modules. Different configuration bit images handle different aspects of security monitoring (e.g., malware signature detection, behavioral analysis, encryption/decryption). This segmentation allows for modular configuration and easier management of complex security policies.
Solution Approach 2:
The FPGA is designed with multi-functionality, capable of performing multiple security tasks including malware detection, encryption/decryption, and network monitoring through a single reconfigurable device. This universal approach reduces overall system complexity compared to using separate dedicated hardware for each security function.
Data Source
AI summary
Representative embodiments are disclosed for providing network and system security. A representative apparatus includes an input-output connector coupleable to a data network; a network interface circuit having a communication port; a nonvolatile memory storing a configuration bit image; and a field programmable gate array (“FPGA”) coupled to the network interface circuit through the communication port, the FPGA configurable to appear solely as a communication device to the first network interface circuit, and to bidirectionally monitor all data packets transferred between the input-output connector and the first network interface circuit and any coupled host computing system. In another embodiment, the FPGA is further configurable for only a partial implementation of a communication protocol, such as a PCIe data link and/or physical layers. The FPGA may also monitor host memory and provide encryption and decryption functionality. The FPGA is not addressable within the computing system and therefore is largely undetectable by malware.