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"This book constitutes the refereed proceedings of the 6th International Conference on Network and System Security, NSS 2012, held in Wuyishan, Fujian, China, in November 2012. The 39 revised full papers presented were carefully reviewed and selected from 173 submissions. The papers cover the following topics: network security, system security, public key cryptography, privacy, authentication, security analysis, and access control."

"This book constitutes the refereed proceedings of the 6th International Conference on Mathematical Methods, Models, and Architectures for Computer Network Security, MMM-ACNS 2012, held in St. Petersburg, Russia in October 2012. The 14 revised full papers and 8 revised short presentations were carefully reviewed and selected from a total of 44 submissions. The papers are organized in topical sections on applied cryptography and security protocols, access control and information protection, security policies, security event and information management, instrusion prevention, detection and response, anti-malware techniques, security modeling and cloud security."

"This book constitutes the refereed proceedings of the 10th International Conference on Applied Cryptography and Network Security, ACNS 2012, held in Singapore, in June 2012.The 33 revised full papers included in this volume were carefully reviewed and selected from 192 submissions. They are organized in topical sessions on authentication, key management, block ciphers, identity-based cryptography, cryptographic primitives, cryptanalysis, side channel attacks, network security, Web security, security and privacy in social networks, security and privacy in RFID systems, security and privacy in cloud systems, and security and privacy in smart grids."

"This book constitutes the refereed post-conference proceedings of the IFIP WG 11.4 International Workshop, iNetSec 2010, held in Sofia, Bulgaria, in March 2010. The 14 revised full papers presented together with an invited talk were carefully reviewed and selected during two rounds of refereeing. The papers are organized in topical sections on scheduling, adversaries, protecting resources, secure processes, and security for clouds."

"Masalah kemanan di bidang informasi dan teknologi telah menjadi sesuatu yang penting dalam kinerja perusahaan. Keamanan jaringan yang digunakan patutnya dapat berjalan dengan optimal sehingga tidak membebani kinerja pekerjaan lainnya. Upaya optimasi sangat penting dan harus terus dilakukan untuk mendirikan sebuah jaringan berkeamanan tinggi dan mudah dikelola dalam jangkauan penggunaan yang luas. Firewall Fortigate sebagai perangkat yang dapat memberi keamanan jaringan dan kemudahan manajemen jaringan selayaknya dapat dikonfigurasi dengan optimal dan efisien. IPv4 Policy pada perangkat Firewall Fortigate merupakan konfigurasi yang sangat penting bagi kelangsungan kinerja jaringan yang aman dan optimal dengan memanfaatkan perangkat Firewall Fortigate di jaringan tersebut. Optimasi konfigurasi IPv4 Policy yang tepat pada perangkat Firewall Fortigate diharapkan akan menciptakan kinerja jaringan yang optimal dan efisien dengan nilai parameter QoL yang memenuhi standar kualitas yang telah ditentukan.

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Security in the field of information and technology have become so much more important than ever, especially for the important of company 39 s performance. Network security should run optimally so as not to burden the performances of other works. There has to be a lot of efforts being put to improve network security and its performance. Fortigate Firewall as a network security and network management devie is to be configured with utmost importancy and optimicy to reach its maximum potential to be an efficient network device. IPv4 Policy on Fortigate 39 s own implementation is a very important aspect for the device performance in securing and optimizing the network performance. Optimization on IPv4 Policy of Fortigate Firewall device is likely to become an important thing to improve the quality of network, such that the QoL parameters with good quality and desiganted standards."

"Intrusion Detectio System (IDS) merupakan sistem yang dapat mendeteksi adanya intrusi atau gangguan pada suatu jaringan atau sistem informasi. Salah satu jenis IDS adalah anomaly detection di mana suatu data trafik jaringan akan dikatakan intrusi apabila mempunyai karakteristik yang berbeda dari kebanyakan data lainnya. Anomaly detection dapat mendeteksi serangan dalam host atau network yang menyimpang dari aktivitas normal berdasarkan probabilitas statistika. Statistical anomaly detection tidak memiliki model intelligent learning yang mungkin menyebaban false alarm memiliki tingkat deteksi tinggi. Metode yang digunakan sistem adalah Bayesian Network TAN Classifier. CI Test merupakan salah satu algoritma yang handal untuk membangun model TAN Classifier untuk klasifikasi. Dengan representasi grafis gabungan dari probabilitas fungsi distribusi lebih dari satu set variabel. "

"ABSTRAKPesatnya perkembangan teknologi infomzasi saat ini, telah berdampak terhadap tmnsaksi perdagangan, dimana proses perdagangan tidak hanya menggunakan cara konvensional teiapi telah memanfaatkan teknologi informasi. Keberadaan suatu sistem yang dapat memberikan rekomendasi kepada pengguna atau lebih dikenal dengan istilah sistem rekomendasi mulai banyak diperhitungkan. Yang menjadi permasalahan adalah apakah nekomendasi yang diberikan telah sesuai dengan keinginan dan kebutuhkan pcngguna. Tesis ini menguraikan tentang analisis akurasi prediksi yang diperoleh dari sistem rekomcndasi berdasarkan metode collaborative _filtering dengan menggunakan teknik Non-Negative Matrix Factor-ization (NA09. Hasii pengujian menunjukkan bahwa akurasi prediksi yang dihasilkan telah relatifbaik dengan nilai kesalahan sebesar 0,95049l.

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Abstract

Perfomance Analysis of Non-Negative Matrix Factorization (NMF) in Recommendation Systems The rapid development of infonnation technology today, has an impact on trade transactions, where the trade is not only using conventional means but it has been using infonnation technology. The existence of a system that can provide recommendations to the user, or better known as a recommendation system began many counts. What matters is whether the recommendations are in accordance with the wishes and the needs of users. This thesis describes the analysis ofthe accuracy of predictions obtained from a recommendation system based on collaborative filtering method using the technique of Non-Negative Matrix Factorization (NMF). Test mults show that the resulting prediction accuracy was relatively good with an error value of 0.950491."

"Rogue Access Point (RAP) menjadi salah satu ancaman dalam keamanan jaringan Wireless Local Area Network. Salah satu RAP bermodel Unauthorized AP yaitu RAP terkoneksi dalam jaringan melalui kabel secara ilegal. Deteksi terhadap keberadaan RAP sudah banyak dikembangkan dengan berbagai metoda, menggunakan hardware atau software. Dengan sistem pendeteksi Rogue Access Point dan auto response, RAP akan secara otomatis dideteksi dan di blocking, sehingga akses RAP akan terhenti. Selain itu, Sistem Deteksi RAP menggunakan aplikasi berbasis web yang mempermudah network administrator dalam mengoperasikan aplikasi ini. Sistem ini menggunakan 2 parameter penting untuk mendeteksi yaitu IP dan MAC Address serta memberikan respon ke firewall untuk blocking. Dari hasil percobaan sistem pendeteksi RAP dan auto response, kehandalan sistem mendeteksi dan auto response RAP mencapai sebesar 92,5% hingga 100% pada 1 RAP, 88,75 % hingga 95% pada 2 RAP, 93,33% hingga 96,67% pada 3 RAP dan 95% hingga 97,5% pada 4 RAP dengan 2 variasi mode yaitu manual dan otomatis. Selain itu, waktu rata-rata pendeteksian dan auto response mencapai 6,97 detik (1 RAP) waktu tercepat dan 18,79 detik (4 RAP) waktu terlama.

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Rogue Access Point is one of network security threats in Wireless Local Area Network. One of type RAP are models Unauthorized AP which RAP may connect to the network cable or wireless illegally. RAP detection system has been developed with variety of methods, using hardware or software rogue access point detection system and auto response. The rogue access point will be automatically detected and blocked, so that RAP stops communicating with the network. In addition, RAP Detection system and auto response using the web-based application that facilitates the operation of the network administrator to configure. This system uses two important parameters to iterately detect the IP and MAC address and then give the "trigger" to the firewall for blocking action.

The results of experiment shows that system reliability to detect and to response against RAP reaches 92.5% to 100% on 1 RAP, 88.75% to 95% on 2 RAPs, 93.33% to 96.67% on 3 RAPs and 95 % to 97.5% on 4 RAPs with 2 variations modes : manual and automatic. and the average time detection and auto fastest response time reaches 6.97 sec (1 RAP) and the longest time to reaches 18.79 seconds (4 RAPs)."