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Given an achievable upper bound for the degree of distinctness of a connected permutation automaton with a given diameter.

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This paperwork is dedicated to research of k-length CRC value distribution for data interval with volume n. The paperwork examines CRC value distribution’s behavior under conditions of big n’s and fixed values of k (k = const, n ->∞). By means of character theory application we find the conditions of asymptotic unification of CRC distribution. Asymptotic results could be applied for error estimation for various telecommunication protocols (e.g. USB, X.25, HDLC, Bluetooth, Ethernet and others).

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In article modification of the KDP-scheme of pre-distribution of keys for computer systems with discretionary model of security is considered. Access restriction defines the forbidden transmission channels of information. The scheme of pre-distribution of keys is built in such a way that for the forbidden channels becomes impossible to find a key of information exchange. An example of creation of the offered scheme is reviewed.

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The peculiarities of bench testing taking into account some difficulties of chip (like “Atmel”) power consumption analysis are considered. It is intended to use for further breaking of hardware-implemented block ciphers based on side attacks.Description of the minimal requested set of devices to solve this problem is presented.Analysis of the most popular cryptographic operations resulting in a leakage through such side channel is given.

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This paper presents a new method of text steganography based on Markov chains. The basic idea of the method is to hide information in the text, that is automatically generated based on a Markov model of the original text. An algorithmic implementation of the developed method is given and the results of tests of created software package, that allows to generate texts within hidden data, are analysed. Generated texts show a good approximation of the natural language.

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The method of key distribution in wireless networks with mobile units based on the MIMO channels is investigated. The description of the method is given. The expressions for estimating of both the correct and wrong decision probability based on the use of a quantization signal phase with guard interval at MIMO channel output are proved. Optimization of system parameters providing the highest key generation rate is investigated under the condition of given probability for shared key coinciding.

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This article provides a method for the implementation of the algorithm of symmetric encryption GOST 28147 - 89 with the use of NVIDIA CUDA technology. Determine the most high-speed version of the system parameters and operation to ensure maximum system performance. Assess the effectiveness of the proposed solutions, as well as a comparative analysis of the approach to existing solutions.

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Method of selecting optimum tactics is suggested for lowering the current information security risk to acceptable level specified by the decision maker is offered. It based on introduction of metric characteristics of acceptable and current risks, as well as algorithms of curve construction for acceptable risk and determination of current information security risk.

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Sympa is the open source mailing list server. CipherSaber-1 pseudo random number generator is used to secure stored Sympa user credentials. As shown in this article the securing method is vulnerable and the stored password recovery could be done with low computation complexity and moreover parallel computations may be used.

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Author describes prototype of computing device with non von-Neiman architecture, based on non – classic extremely productive models with global addressed memory and using new technologies of data transmitting operations, new 3D constructives for making efficient IT- defense.

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In this article author illustrates marker scanning as new scientific approach in the field of secured IT-systems developing, describing information system states with semantic patterns as uncontrolled context transisions using variables that resolved on all sets by implementation of procedure languages and non-procedure programming languages.

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This paper proposes an approach that provides a reduction of large volumes of heterogeneous data from devices of the Internet of Things, based on data aggregation and normalization processes. To reduce data volumes and to increase execution speed aggregation and normalization processes are encouraged to process the data from the device on a multiprocessor cluster. The article describes in detail the approach to this problem in the partition related subtasks, indicating which of them can be performed in parallel. Designed task allocation algorithm between nodes of the cluster and multiprocessor tasks scheduling algorithm on multiprocessor cluster node.

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The paper reviews the problem of performance degradation at network traffic protection and processing mechanisms being applied in distributed IT systems. There is discussed the approach of net traffic flows classification and distribution between virtual machines. Based on that model, a high performance security gateway is proposed. This gateway runs on virtualized platform and parallelizes the net traffic processing. This approach increases the speed and reliability of security tools.

Project is financially supported by MinistryofEducationandScienceofRussianFederation, Federal Program "Researching and Development in Priority Directions of Scientific and Technological Sphere in Russia within 2014-2020" (Contract No.14.575.21.0079; June 17, 2014).

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The article discusses the various types of vulnerabilities of wireless sensor networks and classification of attacks on the security of these networks. For each attack demonstrated the possible means of protection and prevention, detection and possible response, and shows the necessity of development and introduction of new high-tech solutions to guarantee the security of wireless sensor networks.

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 In this paper authors propose a novel approach of calculation the upper and lower boundaries of an index of controllability multi-agent systems, formalized as probability of existence of a way from any node to controlling center is offered, the time of transmission of the message does not exceed a constant t. Controllability - one of properties of this system, defining stability of its functioning. For calculation of boundaries of controllability the regular graph in the form of a tree with the virtual peaks is offered, allowing to apply methods of calculation of number of peaks on a certain circle.

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The paper introduces new approach to security of symbiotic equipment and software Cyber-physic Systems on the basis of homeostasis, i.e. the properties to maintain the system functioning in the hostile environment. Author proposes formal dynamic model based on this approach.

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It is shown that presentation of continuous illumination and probability function with small number of examples biometric origin create quantizing noise with a high value of AM andpotency. The statistical test of Smirnov – Kolmogorovrepresents the estimation of maximum modulus value of noise elimination. The statistical criteria of Cramer-vonMizes is quadratic estimator of noise quantization potency. Using such an interpretation, it is possible to eliminate noises of quantization biometric data with the help of using multivariate variant of Cramer-von Mizes statistical criteria. It is believed that Cramer-von Mizes statistical criteria in small number of samples works more effectively, than chi square criteria of Peterson.

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In article risk of information security on a classification sign of a type of impact on the equipment and control systems of communication networks in the enhanced telecom operations map are considered and the technical solution directed on decrease and/or weakening of their influence for ensuring functioning in the conditions of the incidents connected with threats and/or violations of information security is proposed.

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The paper describes architecture of access control system in distributed computing networks which provides data security against the attacks of user privileges escalation. Comparison of proposed system with analogs is presented. The results of access control system effectiveness estimates are also provided.

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The paper highlights problem of information security in distributed computing networks. Grid system architecture features have been analyzed. Information security threats in distributed computing networks are classified. The existing security arrangements for Grid systems are presented, their disadvantages are admitted. The complex of information security challenges of distributed computing networks is formulized which are aimed to provide defense against the unauthorized access.

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Proposed an approach to the construction of the security incident analysis systems for Internet of Things. This approach consists in the consideration of Internet of Things as a self-similar system with its normal functioning. A graph model of the Internet of Things as a cyber physical system, based on the sufficiency of analysis of paired relationships extracted from the digital stream of messages from devices to identify security incidents.

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This article describes the features of the implementation of the system to identify abnormal network activity. Developed algorithms and software systems to identify abnormal network activity and detect threats.

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The proposed solution is to use methods that ensure the implementation of preventive measures aimed at increasing the complexity of the implementation of information security threats on a compact device based on PC-104 + form factor. The estimation of the information counter attacks and simulated device status in various modes, and the introduction of additional security features.

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A white binary noise information distortion model is proposed in papers [1] and [2]. In this paperwork we analyze limiting behavior of CRC error probabilities with low values of p, which stands for distortion probability of a single bit that belongs to the information being transferred. Using acquired theoretical results we assess values of error probabilities to claim transferred information packet

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The algorithm for distribution of cryptographic keys which is based on the hierarchical structure of objects in the system is presented in this article. The substantiation of the algorithm for certain types of the objects hierarchy is given. The mechanism of the setting of the mandatory and discretionary access control using the developed algorithm is suggested.

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Sumkin K.S., Loss V.P., Ross G.V.

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Investigation of hardware implemented block cipher based on Feistel structure is considered. It is shown that such cipher can be easily broken in real time even for very long key length. The most vulnerable to such attack operations within encryption algorithm are found. The main approaches are presented that simplify the way to break any hardware implemented cipher if it does not have special protection.

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The article describes questions of heuristic malware detection based on hidden markov models application to reduce risk of malware infection.

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Предложенная графовая модель для решения задачи управления безопасностью информационных систем включает моделирование атак различного рода на информационные системы. Выбран оптимальный способ размещения средств контроля доступа к данным и дана количественная оценка защищенности конкретных узлов системы.

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It is proposed to study issues of information security on the base the laws of systems theory and to substantiate the importance the takes into account social effects of cyber-space.

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Рассмотрена процедура предварительной обработки данных для контроля информационной безопасности элементов системы роботов, которая использует специальный вид нейронной сети — автокодер для решения двух задач. Первая задача — уменьшение размерности обучающих данных для вычисления расстояния Махаланобиса — одна из лучших метрик для обнаружения аномального поведения роботов или сенсоров в системе роботов. Вторая — применение автокодера для передачи обучения на целевых данных, которые соответствуют экстремальным условиям функционирования системы роботов.

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The paper considers classifying models that allow to detect potential insider basing on technical and behavioural indicators under conditions of incomplete information about his behaviour.

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The paper proposes a procedure for the use of residual classes of systems in the formation of the encryption keys that allows for modification and key exchange without any interaction with the network security system in a continuous mode as needed on the basis of residual classes of systems.

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On the basis of statistical data the EMERCOM of Russia on emergency situation the authors come to the conclusion about the need to create a complex system of intellectual-term monitoring of dynamic objects of industrial facilities and residential buildings. The article describes the composition and operation of the monitor system of complex the monitor.

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Now there is a large number of the directions and of the results of development of artificial intelligence systems. The paper is devoted to the available description of connection of some problems of information security and the opportunities given by data mining.

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The article considers the methodological statements, concerning the creation of models and methods for decision support in the sphere of security monitoring organization for information systems. The designation of monitoring is to neutralize the internal and external impacts leading to occasional or intentional access to stored or processed data, as well as to its damage or distortion.

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In this paper proposed an ontological model of the subject field of the Internet of Things, which provides a detailed view of the linkages and relationships between the elements of the system at different levels of abstraction, with varying degrees of detail. Designed ontological model allows us to understand the technical aspects of the development of SIEM-system for the identification and analysis of security incidents in the Internet of Things

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Considered a wireless network under "broadcast storm" attack, in order to determine the availability of stand-alone units, the ability to carry out their tasks in the functional impact of the information. Identified a number of conditions for the  organization of attack by a potential intruder. The analysis of system availability of devices based on wireless technologies.
Proposed model can be used to determine the technical characteristics of a wireless ad hoc network of devices.

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The article presents results of analyze of user data replication mechanisms. The authors have classified replication mechanisms, have identified its advantages and disadvantages, and have proposed a method that uses NFC technology to establish a secure channel data replication.

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In this work the modular threshold secret sharing schemes are considered, in particular, Shamir’s scheme and general modular scheme in the univariate polynomial ring over Galois field. Different qualitative and numerical properties of such schemes are compared; the problems of its optimal realization are studied.

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In cryptographic protocols, being implemented in the systems using resource-constrained devices, hard computations can be outsourced to cloud servers. Light-weight arithmetic operations are carried out on the device. The tripartite key-agreement protocol with two servers in the one-malicious version of two untrusted program model is suggested.

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The paper reviews the problem of unauthorized access to the data in distributed computing networks. Available implementations of authentication mechanisms in Grid systems are discussed, their disadvantages are considered. The group signature approach is proposed, which exceeds unauthorized access to computing environment and provides integrity of transmitted data.

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The problem of calculating coefficients of mutual difference (CMD) for complex discrete-manipulated signals (DMS) with discontinuous in time structure in terms of (measure of) determining the degree of electromagnetic protection is considered.

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The article presents results of the malware identification problem research in Google Android operating system. To resolve this problem authors have created the system, based on the fuzzy clustering method which use an application parameters vector. This vector is result of the static and dynamic analysis of the application code. The paper describes the application settings that are used for drawing vector features, and also highlights the efficiency of the use of different criteria of separability in relation to the task and given the format of the input data. An experimental evaluation of the proposed system, showing a high level of malware detection for the Google Android operating system.

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