Dfs covert channels on multi-core platforms

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August undefined, 2024

WebOur experiments on an Intel Xeon server platform demonstrate covert thermal channels that achieve up to 12.5 bps and weak thermal side channels that can detect processes executed on neighbouring cores. This work therefore shows a limitation in the isolation that can be achieved on existing multi-core systems. WebJan 25, 2024 · Video. A Distributed File System (DFS) as the name suggests, is a file system that is distributed on multiple file servers or multiple locations. It allows …

How to Use DFS Channels in WiFi NetBeez Blog

Webment mechanism brings new covert and side channel vulnera-bilities to current multi-core and multi-processor platforms. It can be exploited to break down security protection mecha-nisms relying on resource partition and isolation, e.g., virtual machines (VMs). The revealed covert channel is based on two properties of the uncore power management ... WebWe implement this covert channel both in a single threaded and simultaneous multi-threading (SMT) environment and show the feasibility of such a communication. Our … photo of getting dressed

On the capacity of thermal covert channels in multicores

Webcreate a covert channel between two execution contexts running onthe same core but within two different SMTthreads. We call this covert channel IccSMTcovert. 3) IChannels exploits Multi-Throttling-Cores to create a covert channel between two execution contexts runningon two different physical cores. We call this covert channel IccCoresCovert. WebAug 8, 2024 · Command and Control Infrastructure, also known as C2 or C&C, is the set of tools and techniques that attackers use to maintain communication with compromised devices following initial exploitation. The specific mechanisms vary greatly between attacks, but C2 generally consists of one or more covert communication channels between … WebMar 24, 2015 · Our experiments on an x86-based platform demonstrate covert thermal channels that achieve up to 12.5 bps and a weak side channel that can detect processes … photo of george clooney\\u0027s twins

Thermal covert channels on multi-core platforms Proceedings …

USENIX Security

WebDec 5, 2024 · DFS covert channels on multi-core platforms. In 2024 IFIP/IEEE International Conference on Very Large Scale Integration (VLSI-SoC). IEEE, 1–6. … WebSuch dependency implies a covert channel threat in multi-core platforms. Specifically, the power status of the uncore reflects the workload pattern of the active core, and it can be probed by any process running on the processor. This allows the process to infer the workload information of the active core. how does metformin control blood sugar photo of germ

"Web2.We evaluate the proposed covert channels under the binary symmetric model. Results of our experiments are reported in Table 3. A discussion of our mem-ory controller-based covert channel against state-of-the-art covert is pro-vided. We also discuss potential mitigation strategies. Outline. The remainder of the paper is organized as follows. " - Dfs covert channels on multi-core platforms

Dfs covert channels on multi-core platforms

Multicore Platform - an overview ScienceDirect Topics

WebDFS Covert Channels on Multi-Core Platforms Conference Paper Overview ... WebWe demonstrate a template that adversaries may use to construct covert timing channels through manipulating combinations of coherence states and data placement in different caches. ... Doroslovacki, M., Venkataramani, G.: DFS covert channels on multi-core platforms. In: Proceedings of IEEE International Conference on Very Large Scale ...

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WebCache timing channel can be combined with speculative instructions to launch powerful attack which enable the spy to read secret values of the kernel or other processes. Software layers in the computing stack cannot fully eliminate cache timing channels since caches are typically shared between multiple processes. WebFeb 1, 2024 · Our experiments on an x86-based platform demonstrate covert thermal channels that achieve up to 12.5 bps and a weak side channel that can detect processes executed on neighbouring cores.

WebAbstract. Designing software for multicore platforms is a significant challenge, as one has to break-down the work into items that can run in parallel. In this chapter we address the … WebMay 3, 2024 · The heat transfers are known as thermal covert channels (TCC) [].Thermal covert channels can be traced in multi-core systems. As in any communication system, a thermal covert channel includes a pair consisting of a transmitter and a receiver [].On the transmitter side, the temperature signals are generated from sensitive data such as user …

WebXeon server X5560 platform. We study DFS covert timing channel implementation under different CPU power governors and CPU settings such as simultaneous multi-threading … WebCovert channel analysis is a critical, yet challenging, security engineering task. Despite numerous descriptions of covert channel attacks on ground-based systems and networks, such attacks have not been examined in the context of data bus protocols used in commercial space platforms hosting government payloads.

WebOct 1, 2024 · By modulating the core frequency with dynamic frequency scaling (DFS) technique, a covert channel has been created in a multi-core platform [11]. The use of …

WebFor the 5 GHz bands that include DFS channels, clients are forbidden from performing active scans and must only use passive scanning. This can increase the time required to … how does metformin help insulin resistanceWebAlagappan M., Rajendran J., Doroslovački M., and Venkataramani G., “ Dfs covert channels on multi-core platforms,” in 2024 IFIP/IEEE International Conference on Very Large Scale Integration (VLSI-SoC). Abu Dhabi, nited Arab Emirates: IEEE, Oct 2024, pp. 1 – 6. Google Scholar [4]. photo of george weahWebJul 14, 2024 · This paper shows how the automatic frequency scaling provided by Intel Turbo Boost can be used to construct a covert channel that is both hard to prevent … photo of george jonesWebJan 6, 2024 · The Distributed File System (DFS) functions provide the ability to logically group shares on multiple servers and to transparently link shares into a single … how does metformin help pcos lose weightWebJan 16, 2024 · Most modern multi-core CPUs are implemented in System-on-a-Chip (SoC), where CPU and integrated Graphics Processing Unit (iGPU) share physical memory and some microarchitectures. iGPUs provide horsepower required by computeintensive tasks, taking off CPU's heavy workload. These tasks include rendering graphics, executing … photo of gerald fordWeb邱朋飞 Background——Covert Channel Attack An example——Banking application Possesses important information such as account, password, identification OS enforces security policies to ensure that it is isolated from other applications Data is only allowed to be transferred to the authenticated bank servers The attacker gains the secret … how does metformin increase beta oxidationWebFigure 4: Covert communication using Thermal Channels. We demonstrate that the temperature sensors on commodity multi-core platforms can be misused for covert communication by two colluding processes in spatially and temporally isolated systems. - "Thermal Covert Channels on Multi-core Platforms" photo of gerbil