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Algorithms and Security


The primary objective of the group is to bring together expertise in education, research and practice in the field of information security and algorithms. Our group members conduct research in areas spanning from the theoretical foundations of cryptography to the design and implementation of leading edge efficient and secure communication protocols.

The key areas of our technological expertise include Design and development of practical cryptographic mechanisms and protocols that can be employed by resource-limited devices such as sensor nodes and RFIDs.


  • Design of specific middleware security services that can be easily integrated in larger applications of wireless sensor networks. Implementation and deployment of realistic sensor networks with applications in environmental monitoring, health care, energy management of buildings, etc.
  • Design of protocols that focus on providing security and enhancing user privacy in ubiquitous environments that use RFID and other similar technologies. Securing transactions in peer-to-peer networks.
  • Design of security protocols and intrusion detection techniques for Ad-Hoc networks, such as authentication and key agreement protocols based on challenge-response and zero-knowledge techniques.
  • Design of security architectures for wireless and telecommunication networks (UMTS). Smart card security for e-voting and passport control.
  • Design and development low-level cryptographic primitives that can be used in securing the communications in critical applications.
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Students' Views

"Friendly personnel, qualified professors who are always ready for participants’ questions and are happy to receive them! Derman Akcelik_University of Neuchatel
Content of presentations was very interesting and very helpful!
Aggelos Mpimpoudis_Athens University of Economics & Business."

Aggelos Mpimpoudis, Athens University of Economics & Business(Summer School 2009)

news list News & Announcements

AIT's 10th Wireless Coffee Seminar with Prof. Maria Papadopouli, University of Crete

Our guest speaker will be Prof. Maria Papadopouli, University of Crete.  Her talk will be entitled "On the analysis of large-scale wireless access markets".

Dr.Constantinos Β.Papadias Appointed Dean of AIT

AIT's Board of Directors has appointed Dr. Constantinos B. Papadias, 45, as the new Dean. He has taken over his new role on March 1, 2014.

AIT supports Athens Startup Weekend

AIT actively supports Athens Startup Weekend (ASW) and offers 3 scholarships and additional mentoring to the winning team!

AIT participates in an EU research project contributing to the reinforcement of European strengths in optical telecommunications networks

AIT is Technical Manager/Project Leader of INSPACE, a research project funded by the European Union within the 7th R&D Framework Program that was ranked 4th among submitted proposals (over 110) at ICT-Call 11, Objective 1.1, with an evaluation score of 14/15. The project is funded with €2.577.000 by the EU, kicked-off on February and will last 36 months.

Open talk: The Voyager Odyssey: from Earth to the Galaxy in 35 Years

The AIT Alumni Club in collaboration with the Hellenic Alumni Associations of Columbia University, University of Illinois and London School of Economics and Political Science proudly present a reception and talk with Dr. Stamatios Krimigis, Chairman of the Greek National Council for Research and Technology, Head Emeritus and Principal Staff at the Johns Hopkins University Applied Physics Laboratory and winner of the Niki Award 2013.

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