Ağ anomalilerinin tespitinde kullanılan yapay sinir ağlarının karşılaştırılması

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2019

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Software Engineering
(2005)
Department of Software Engineering was founded in 2005 as the first department in Ankara in Software Engineering. The recent developments in current technologies such as Artificial Intelligence, Machine Learning, Big Data, and Blockchains, have placed Software Engineering among the top professions of today, and the future. The academic and research activities in the department are pursued with qualified faculty at Undergraduate, Graduate and Doctorate Degree levels. Our University is one of the two universities offering a Doctorate-level program in this field. In addition to focusing on the basic phases of software (analysis, design, development, testing) and relevant methodologies in detail, our department offers education in various areas of expertise, such as Object-oriented Analysis and Design, Human-Computer Interaction, Software Quality Assurance, Software Requirement Engineering, Software Design and Architecture, Software Project Management, Software Testing and Model-Driven Software Development. The curriculum of our Department is catered to graduate individuals who are prepared to take part in any phase of software development of large-scale software in line with the requirements of the software sector. Department of Software Engineering is accredited by MÜDEK (Association for Evaluation and Accreditation of Engineering Programs) until September 30th, 2021, and has been granted the EUR-ACE label that is valid in Europe. This label provides our graduates with a vital head-start to be admitted to graduate-level programs, and into working environments in European Union countries. The Big Data and Cloud Computing Laboratory, as well as MobiLab where mobile applications are developed, SimLAB, the simulation laboratory for Medical Computing, and software education laboratories of the department are equipped with various software tools and hardware to enable our students to use state-of-the-art software technologies. Our graduates are employed in software and R&D companies (Technoparks), national/international institutions developing or utilizing software technologies (such as banks, healthcare institutions, the Information Technologies departments of private and public institutions, telecommunication companies, TÜİK, SPK, BDDK, EPDK, RK, or universities), and research institutions such TÜBİTAK.

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Ağ saldırı tespit sistemleri günümüz bilişim sistemlerinde kritik bir yer teşkil ederken önemli bir araştırma alanı olarak yükselmeye ve yapay sinir ağlarının kullanımı bu alanda giderek daha popüler hale gelmeye başlamıştır. Buna rağmen, bu alanda yapay sinir ağı mimarileri ve bu mimarilerin bileşen parametreleri hakkında kapsamlı bir karşılaştırmalı çalışmasının eksikliği vardır. Bu çalışmada, ağ saldırı tespit sistemleri alanında kullanılan yapay sinir ağları mimarileri ve bu mimarilerin bileşenleri olan optimizasyon fonksiyonları, aktivasyon fonksiyonları, öğrenme kat sayısı ve momentum değişiminin doğruluk ve hatalı uyarı üretme oranlarına göre kıyaslayarak ileride yapılacak olan mühendislik ve akademik çalışmalar için bir temel oluşturması amaçlanmıştır. Bu doğrultuda, 6480 adet yapay sinir ağı oluşturularak kıyaslama veri kümesi olarak kabul edilen KDD99 ve yakın gerçek zamanlı simülasyon ortamı yardımıyla her bir yapay sinir ağı değerlendirilmiştir. Bu tezin, yapay sinir ağları kullanılarak geliştirilecek ağ saldırı tespit sistemleri araştırmalarına rehberlik edecek bir yol haritası sağlayacaktır.
Network intrusion detection is an important research field, and artificial neural net- works have become increasingly popular in this subject. Despite this, the research concerning comparison of artificial neural network architectures in the network in- trusion detection is a relatively insufficient. To make up for this, this study aims to examine the neural network architectures in network intrusion detection to determine which architecture produces high accuracy and low false positive rate, and what are the effects of the architectural components such as optimization functions, activation functions, the momentum of the learning rate. For this purpose, we have generated 6480 neural networks and, we evaluated them KDD99 dataset and, near-real-time simulation environment. This thesis provides a roadmap to guide future research on network intrusion detection using artificial neural networks.

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Bilgisayar Mühendisliği Bilimleri-Bilgisayar ve Kontrol, Computer Engineering and Computer Science and Control, Yapay sinir ağları, Artificial neural networks

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78