Aleksandar Risteski

Work place: Faculty of Electrical Engineering and IT, Ss. Cyril and Methodius University, Skopje, R. Macedonia



Research Interests: Computer Architecture and Organization, Coding Theory, Data Structures and Algorithms


Dr. Aleksandar Risteski received his B.Sc., M.Sc. and Ph.D. degrees in telecommunications at the Ss Cyril and Methodius University in Skopje, Macedonia in 1996, 2000 and 2004, respectively. He is currently a professor and a vice-dean for research and international cooperation at the same university, Faculty of Electrical Engineering and Information Technologies. In 2001, 2003 and 2004, he had several internships at IBM T. J. Watson Research Center, Yorktown Heights, NY, USA, where he worked towards his Ph.D. degree. His research interests are in the fields of optical communications, secure communications and coding theory. He is an author of more than 50 journal and conference papers. Dr. Risteski was a project leader/participant in more than 30 research and industryrelated projects, co-chairman of three international conferences and co-director of one NATO advanced research workshop.

Author Articles
Analysis of the SYN Flood DoS Attack

By Mitko Bogdanoski Tomislav Shuminoski Aleksandar Risteski

DOI:, Pub. Date: 8 Jun. 2013

The paper analyzes systems vulnerability targeted by TCP (Transmission Control Protocol) segments when SYN flag is ON, which gives space for a DoS (Denial of Service) attack called SYN flooding attack or more often referred as a SYN flood attack. The effects of this type of attack are analyzed and presented in OPNET simulation environment. Furthermore, the paper presents two anomaly detection algorithms as an effective mechanism against this type of attack. Finally, practical approaches against SYN flood attack for Linux and Windows environment which are followed by are shown.

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