18135694. LIMITING A NUMBER OF ILLEGITIMATE INTERRUPTS FROM SWITCHING A CENTRAL PROCESSING UNIT TO A SYSTEM MANAGEMENT MODE simplified abstract (Microsoft Technology Licensing, LLC)

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LIMITING A NUMBER OF ILLEGITIMATE INTERRUPTS FROM SWITCHING A CENTRAL PROCESSING UNIT TO A SYSTEM MANAGEMENT MODE

Organization Name

Microsoft Technology Licensing, LLC

Inventor(s)

Mallik Bulusu of Bellevue WA (US)

Muhammad A. Ahmed of Seattle WA (US)

Ganesh Kumar A of Hyderabad (IN)

Kiran Bangalore Sathyanarayana of Bangalore (IN)

Pingfan Song of Redmond WA (US)

LIMITING A NUMBER OF ILLEGITIMATE INTERRUPTS FROM SWITCHING A CENTRAL PROCESSING UNIT TO A SYSTEM MANAGEMENT MODE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18135694 titled 'LIMITING A NUMBER OF ILLEGITIMATE INTERRUPTS FROM SWITCHING A CENTRAL PROCESSING UNIT TO A SYSTEM MANAGEMENT MODE

The patent application describes a system that limits the rate at which system management interrupts can suspend normal execution of a CPU by switching the operating mode of the CPU to the system management mode, providing protection against cyberattacks and improving workload efficiency.

  • The system limits the rate at which system management interrupts can suspend normal CPU execution.
  • It switches the CPU operating mode to the system management mode to protect against cyberattacks.
  • The innovation ensures the CPU can execute workloads more efficiently, such as processing threads.
  • This technology provides a protective layer against malicious actors, like those conducting DDoS attacks.
  • By imposing rate limits on system management interrupts, the CPU can maintain normal operation and enhance overall performance.

Potential Applications: - Cybersecurity systems - Data centers - Cloud computing platforms

Problems Solved: - Protection against cyberattacks - Improved CPU efficiency - Enhanced system performance

Benefits: - Increased security against malicious attacks - Enhanced workload efficiency - Improved overall system performance

Commercial Applications: Title: Enhanced Cybersecurity System for Data Centers This technology can be utilized in data centers to enhance cybersecurity measures, ensuring the protection of critical data and systems from malicious attacks. It can also be integrated into cloud computing platforms to improve overall performance and efficiency.

Questions about the technology: 1. How does the system management mode protect against cyberattacks? The system management mode switches the CPU operating mode to prevent system management interrupts from suspending normal execution, providing a protective layer against cyberattacks. 2. What are the potential applications of this technology in data centers? This technology can be applied in data centers to enhance cybersecurity measures and improve overall system performance.


Original Abstract Submitted

Disclosed herein is a system for limiting the rate at which system management interrupts can suspend normal execution of a central processing unit (CPU) by switching the operating mode of the CPU from one of the real mode or the protected mode to the system management mode. The rate limits imposed by the system provides a protective layer against cyberattacks (e.g., a distributed denial-of-service (DDoS) attack) from malicious actors and ensures the CPU can be more efficient regarding the execution of workloads (e.g., processing threads).

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