Results 211 to 220 of about 3,049 (257)

Detecting Hardware Covert Timing Channels

IEEE Micro, 2016
Information security and data privacy have steadily grown into major concerns in computing, especially given the rapid transition into the digital age for all needs--from healthcare to national defense. Among the many forms of information leakage, covert timing channels can be dangerous primarily because they involve two parties intentionally colluding
Guru Venkataramani, Jie Chen 0020, Milos Doroslovacki   +2 more
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Covert Channel Detection Using Machine Learning

2020 28th Signal Processing and Communications Applications Conference (SIU), 2020
A covert channel is a communication method that misuses legitimate resources to bypass intrusion detection systems. They can be used to do illegal work like leaking classified (or sensitive) data or sending commands to malware bots. Network timing channels are a type of these channels that use inter-arrival times between network packets to encode the ...
Imge Gamze Çavusoglu, Hande Alemdar, Ertan Onur   +2 more
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Detecting covert timing channels

Proceedings of the 14th ACM conference on Computer and communications security, 2007
The detection of covert timing channels is of increasing interest in light of recent practice on the exploitation of covert timing channels over the Internet. However, due to the high variation in legitimate network traffic, detecting covert timing channels is a challenging task.
Steven Gianvecchio, Haining Wang 0001
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Detection of Covert Channels in TCP Retransmissions

2018
In this paper we describe the implementation and detection of a network covert channel based on TCP retransmissions. For the detection, we implemented and evaluated two statistical detection measures that were originally designed for inter-arrival time-based covert channels, namely the \(\epsilon \)-similarity and the compressibility. The \(\varepsilon
Sebastian Zillien, Steffen Wendzel
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Detection of DNS based covert channels [PDF]

, 2015
Information theft or data exfiltration, whether personal or corporate, is now a lucrative mainstay of cybercrime activity. Recent security reports have suggested that while information, such as credit card data is still a prime target, other data such as corporate secrets, employee files and intellectual property are increasingly sought after on the ...
Sheridan, Stephen, Keane, Anthony
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Covert Channels Implementation and Detection in Virtual Environments

2017
It can be said that a system is as secure as its most insecure component. Since the most important component of Cloud is virtualization, breaking it would mean breaking the Cloud. This is what covert channels are capable of “Covert channels” represent a concept as actual as it is old; they make use of shared resources, or even the network, to send ...
Irina Mihai, Catalin Adrian Leordeanu, Alecsandru Patrascu   +2 more
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Artificial Intelligence to Detect Timing Covert Channels

2019
The peculiarities of the batch data transmission networks make it possible to use covert channels, which survive under standard protective measures, to perform data leaks. However, storage covert channels can be annihilated by means of limiting the flow capacity, or by use of encryption.
Aleksandra Yazykova, Mikhail Finoshin, Konstantin Kogos   +2 more
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IP covert timing channels

Proceedings of the 11th ACM conference on Computer and communications security, 2004
A network covert channel is a mechanism that can be used to leak information across a network in violation of a security policy and in a manner that can be difficult to detect. In this paper, we describe our implementation of a covert network timing channel, discuss the subtle issues that arose in its design, and present performance data for the ...
Serdar Cabuk, Carla E. Brodley, Clay Shields   +2 more
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Detection of TCP covert channel based on Markov model

Telecommunication Systems, 2012
Network covert channel is a covert communication method by hiding covert messages into overt network packets. In recent years, with the development of various hiding methods, network covert channel has become a new kind of threat for network security.
Jiangtao Zhai, Guangjie Liu 0001, Yuewei Dai   +2 more
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Covert Channel Detection Techniques in Cloud

Confluence 2013: The Next Generation Information Technology Summit (4th International Conference), 2013
This paper discusses covert channel attacks in VMM, with emphasis on some of its important detection techniques. This is an active research area whereby many security frameworks have been proposed for isolating VMs, but still covert channels in commercial clouds exist.
M. Alam, S. Sethi, S. Sethi
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