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Autonomous and distributed internet security (AIS) infrastructure for safe internet
Hiroyuki Kimiyama;Naoki Yonezaki;Tomoaki Tsutsumi;Kaori Sano;Hirofumi Yamaki;Yoichiro Ueno;Ryoichi Sasaki;Hiroshi Kobayashi
2017 8th International Conference on the Network of the Future (NOF)
Year: 2017 | Conference Paper |
Cyber attacks, (e.g., DDoS), on computers connected to the Internet occur everyday. A DDoS attack in 2016 that used “Mirai botnet” generated over 600 Gbit/s traffic, which was twice as that of last year. In view of this situation, we can no longer adequately protect our computers using current end-point security solutions and must therefore introduce a new method of protection that uses distribute...Show More
Intelligent bypass method Exploiting VPN for stable offshore business on the Internet
Hiroshi Fujikawa;Hirofumi Yamaki;Yukiko Yamamoto;Setsuo Tsuruta
2016 World Automation Congress (WAC)
Year: 2016 | Conference Paper |
It has become common to access offshore cloud computers via the Internet. However, in some countries Governmental bodies suddenly block international communication channels. If involved in such blocking as called GS (Golden shield) in China, significant degradation of QoS occurs in accessing cloud/remote computers, Web conference pages, etc. To avoid such involvement and continue smooth access to ...Show More
Network Virtualization Using VPN for Stable Communication with Offshore Cloud
Hiroshi Fujikawa;Hirofumi Yamaki;Yukiko Yamamoto;Setsuo Tsuruta
2015 11th International Conference on Signal-Image Technology & Internet-Based Systems (SITIS)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
It has become common to access cloud computers in other countries via the Internet. However, in some countries, many international communication channels are suddenly shut down by governmental bodies. This causes significant degradation of the Quality of Service (QoS) for accessing cloud computers, Web conferences, and so on. To cope with this, we propose a network virtualization method for intell...Show More
Evaluation of Method for Multiplexing Communication Routes to Avoid Intentional Barriers
Hiroshi Fujikawa;Hirofumi Yamaki;Yukiko Yamamoto;Setsuo Tsuruta;Rainer Knauf;Ernesto Damiani
2015 IEEE International Conference on Systems, Man, and Cybernetics
Year: 2015 | Conference Paper |
It is common to operate an IT system where client computers in offices in a country access cloud computers in another country via the Internet. However, in some countries including China, network communication is often shut down by governmental bodies, in addition to network outage caused by network attacks. In case of such intentional interruptions, users need countermeasures to avoid them. Here,...Show More
Implementation of a User Account Provisioning System Based on NFC for Public Wi-Fi Services
2015 International Conference on Computer Application Technologies
Year: 2015 | Conference Paper |
For secure usage of public Wi-Fi services, mutual authentication between service providers and users is required. However, because the cost of the user account provisioning to achieve mutual authentication is high, the level of authentication is suppressed low in many services. In this research, we aim to reduce this cost. One of the problems in user account provisioning is that theft or swap of a...Show More
Integration of Wifi Services Based on the IEEE802.11u Standard
Hirofumi Yamaki;Yuki Yamada;Yuichi Kato;Eiko Kobayashi;Yu Saotome;Daisuke Matsumoto
2015 International Conference on Computer Application Technologies
Year: 2015 | Conference Paper |
Cited by: Papers (1)
This paper presents a novel technique to integrate multiple Wifi services into a single hardware access point. This is achieved by combining service advertisement mechanism defined in the IEEE 802.11u standard and dynamic VLAN assignment used in enterprise-level networks, both of which are for authentication techniques to achieve secure and flexible access to IP-based networks. Compared to virtual...Show More
Multiplexing communication routes with proxy-network to avoid intentional barriers in large scale network
Hiroshi Fujikawa;Hirofumi Yamaki;Yukiko Yamamoto;Setsuo Tsuruta
2014 IEEE Symposium on Computational Intelligence for Communication Systems and Networks (CIComms)
Year: 2014 | Conference Paper |
It has become common to operate an IT system where client computers in offices in a country access cloud computers in another country via the Internet. On the other hand, in some countries including China, network communication is often shut down by governmental bodies, in addition to network outage caused by network attacks. In the presence of these intentional or deliberate interruptions, users ...Show More
Performance Analysis of Bidirectional Private Policy Matching Protocol Based on Additively Homomorphic Encryption Systems
2013 International Conference on Signal-Image Technology & Internet-Based Systems
Year: 2013 | Conference Paper |
Automated Trust Negotiation (ATN) is a mechanism to establish mutual trust between service providers and users in an open network environment like the Internet. In this paper, we propose Bidirectional Private Policy Matching based on Additively Homomorphic Encryption Systems(BPPM/AHES) as an ATN negotiation protocol where uni-directional private policy matching based on additively homomorphic encr...Show More
A Flexible Authorization Mechanism for Public Wireless LAN Services Based on Automated Trust Negotiation
2013 International Conference on Signal-Image Technology & Internet-Based Systems
Year: 2013 | Conference Paper |
An EAP method, EAP-ATN, is proposed for controlling accesses to services provided to general public in open environments, such as public wireless LAN access services. Automated Trust Negotiation (ATN) is a framework where a service provider and a client collaboratively determine whether to trust each other by exchanging credentials. By performing ATN as an EAP method, flexible and secure usage of ...Show More
ARIGUMA Code Analyzer: Efficient Variant Detection by Identifying Common Instruction Sequences in Malware Families
2013 IEEE 37th Annual Computer Software and Applications Conference
Year: 2013 | Conference Paper |
Cited by: Papers (10)
It is required in the first step of malware analysis to determine whether a given malware program is a variant of known ones. If it is surely not a variant, manual analysis against it is required. However, it is impossible to perform manual analysis, the cost of which is very high, over all the enormous number of newly found malware programs. An automatic and accurate malware program classificatio...Show More
Bidirectional Private Policy Matching Based on Additively Homomorphic Encryption Systems
2013 27th International Conference on Advanced Information Networking and Applications Workshops
Year: 2013 | Conference Paper |
In a open pervasive environment, we want to define trust model for many kinds of services. Thus, a mechanism which can create trust model for each service dynamically and use it securely is required. Automated Trust Negotiation (ATN) is a mechanism to establish mutual trust between service providers and users in an open network environment like the Internet. In this paper, we propose Bidirectional...Show More
An Adaptive Honeypot System to Capture IPv6 Address Scans
Kazuya Kishimoto;Kenji Ohira;Yukiko Yamaguchi;Hirofumi Yamaki;Hiroki Takakura
The vastness of IPv6 address space and rapid spread of its deployment attract us to usage of IPv6 network. Various types of devices, including embedded systems, are ready to use IPv6 addresses and some of them have already been connected directly to the Internet. Such situation entices attackers to change their strategies and choose the embedded systems as their targets. We have to deploy various ...Show More
Unknown Attacks Detection Using Feature Extraction from Anomaly-Based IDS Alerts
2012 IEEE/IPSJ 12th International Symposium on Applications and the Internet
Year: 2012 | Conference Paper |
Cited by: Papers (23)
Intrusion Detection Systems (IDSs) play an important role detecting various kinds of attacks and defend our computer systems from them. There are basically two main types of detection techniques: signature-based and anomaly-based. A signature-based IDS cannot detect unknown attacks because a signature has not been written. To overcome this shortcoming, many researchers have been developing anomaly...Show More
A Malware Classification Method Based on Similarity of Function Structure
2012 IEEE/IPSJ 12th International Symposium on Applications and the Internet
Year: 2012 | Conference Paper |
Malicious software (Malware) in form of Internet worms, computer viruses, and trojan horses poses a major threat to the security of network systems. Identification of malware variants provides great benefit in early detection. Taking into account that variants of malware families share similar functions reflecting its origin and purpose, we propose a method focusing on the features of functions th...Show More
A grid-based clustering for low-overhead anomaly intrusion detection
2011 5th International Conference on Network and System Security
Year: 2011 | Conference Paper |
Cited by: Papers (5)
To defend a network system from security risks, intrusion detection systems (IDSs) have been playing an important role in recent years. There are two types of detection algorithms of IDSs: misuse detection and anomaly detection. Because misuse detection is based on a signature which is created from the features of attack traffic by security experts, it can achieve accurate and stable detection. Ho...Show More
Improving Performance of Anomaly-Based IDS by Combining Multiple Classifiers
2011 IEEE/IPSJ International Symposium on Applications and the Internet
Year: 2011 | Conference Paper |
Intrusion detection systems (IDSs) play an important role to defend networks from cyber attacks. Among them, anomaly-based IDSs can detect unknown attacks like 0-day attacks that are hard to detect by using signature-based system. However, they have problems that their performance depends on a learning dataset. It is very hard to prepare an appropriate learning dataset in a static fashion, because...Show More
Resource Sharing by Multilingual Expression Services
Masaki Gotou;Hirofumi Yamaki;Daisuke Yanagisawa;Masamitsu Ukai;Masahiro Tanaka;Toru Ishida
2008 IEEE Asia-Pacific Services Computing Conference
Year: 2008 | Conference Paper |
Cited by: Papers (3)
Multilingual expression services (MESs) are available in many multicultural fields, such as education, medical care, and disaster prevention. In Japan, for example, local governments and NPOs create parallel-texts and provide expression services in such fields. However, these services present a common difficulty: the lack of parallel-texts. Service-computing technology has the potential to allow t...Show More
Disaster Evacuation Guide: Using a Massively Multiagent Server and GPS Mobile Phones
Yuu Nakajima;Hironori Shiina;Shohei Yamane;Toru Ishida;Hirofumi Yamaki
2007 International Symposium on Applications and the Internet
Year: 2007 | Conference Paper |
Cited by: Papers (22)
The ubiquitous environment enables us to build systems that provide individual users with personalized navigation services in cities. In developing such a system, it is necessary to estimate the influence and the movement of its users and to get feedback. However, it is difficult to perform tests on such a system given the large number of human subjects involved and its scale, which matches that o...Show More
Caribbean/Q: A Massively Multi-Agent Platform with Scenario Description Language
2006 Semantics, Knowledge and Grid, Second International Conference on
Year: 2006 | Conference Paper |
Cited by: Papers (4)
Making a truly useful massively multi-agent system is difficult since the actions of the full ensemble of agents cannot be controlled by designing just one agent. It is critical to control all the agents by using protocols that describe the interaction of agents and the environment in a top-down approach. We introduce a system that uses interaction protocol descriptions and has the capability of c...Show More
Mobile-agents for distributed market computing
Proceedings of the 1999 International Conference on Parallel Processing
Year: 1999 | Conference Paper |
Cited by: Papers (1)
This paper discusses the implementation using mobile agent and the performance of the market computing to allocate network quality of service most efficiently, based on users' preference. Though the protection of users' private preference and the efficient calculation are both important, these two requirements often contradict each other. By implementing QoS Market, a market-based network resource...Show More
Implementation issues on market-based QoS control
Proceedings International Conference on Multi Agent Systems (Cat. No.98EX160)
Year: 1998 | Conference Paper |
Cited by: Papers (4)
We discuss two major tradeoffs, spatial and temporal tradeoffs, that appear when applying market-based computing to multimedia network applications. The former appears between computation and communication cost, depending on how agents are distributed over a network. The latter appears between reactiveness and correctness of a result, depending on how the network environment dynamically changes. B...Show More
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