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In computer science, hierarchical protection domains, often called protection rings, are mechanisms to protect data and functionality from faults (by improving fault tolerance) and malicious behavior (by providing computer security).
Applications & Science
Explore the main themes, entities and connections around Protection ring. Start with the topic map, then use the sections below for research and deeper semantic analysis.
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ring operating system hardware mode privilege systems rings level kernel access protection user modes security use levels architecture supervisor x86
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| certain CPU functionality | instance of | Ring 0 is the level with the most privileges and interacts most directly with the physical hardware | 0.80 | text |
| web browsers running in higher numbered rings must request access to the network | instance of | Programs | 0.80 | text |
| a resource restricted to a lower numbered ring.X86S | instance of | Programs | 0.80 | text |
| a canceled Intel architecture published in 2024 | instance of | Programs | 0.80 | text |
| has only ring 0 | instance of | Programs | 0.80 | text |
| ring 3 | instance of | Programs | 0.80 | text |
| EMM386 run at ring 0 | instance of | whereas 386 memory managers | 0.80 | text |
| Intel VT-x | instance of | and hypervisors based on x86 virtualization | 0.80 | text |
| modifying registers for various descriptor tables | instance of | This flag determines whether it would be possible to execute machine code operations | 0.80 | text |
| or performing operations such as disabling interrupts | instance of | This flag determines whether it would be possible to execute machine code operations | 0.80 | text |
| EMM386 is loaded | instance of | for as long as no 386 memory manager | 0.80 | text |
| memory regions | instance of | Privilege levelA privilege level in the x86 instruction set controls the access of the program currently running on the processor to resources | 0.80 | text |
These clusters group vocabulary that occurs around closely connected concepts in the source material.
Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.