Georgios Karopoulos
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A framework for identity privacy in SIP
G Karopoulos, G Kambourakis, S Gritzalis, E Konstantinou
Journal of Network and Computer Applications 33 (1), 16-28, 2010
Evaluation of cryptography usage in android applications
A Chatzikonstantinou, C Ntantogian, G Karopoulos, C Xenakis
Proceedings of the 9th EAI International Conference on Bio-inspired …, 2016
Demystifying COVID-19 digital contact tracing: A survey on frameworks and mobile apps
T Martin, G Karopoulos, JL Hernández-Ramos, G Kambourakis, ...
Wireless Communications and Mobile Computing 2020, 2020
PrivaSIP: Ad-hoc identity privacy in SIP
G Karopoulos, G Kambourakis, S Gritzalis
Computer Standards & Interfaces 33 (3), 301-314, 2011
Data fusion-base anomay detection in networked critical infrastructures
B Genge, C Siaterlis, G Karopoulos
2013 43rd Annual IEEE/IFIP Conference on Dependable Systems and Networks …, 2013
Survey of secure handoff optimization schemes for multimedia services over all-IP wireless heterogeneous networks
G Karopoulos, G Kambourakis, S Gritzalis
IEEE Communications Surveys & Tutorials 9 (3), 18-28, 2007
Usage control in SIP-based multimedia delivery
G Karopoulos, P Mori, F Martinelli
Computers & security 39, 406-418, 2013
MASKER: Masking for privacy-preserving aggregation in the smart grid ecosystem
G Karopoulos, C Ntantogian, C Xenakis
Computers & Security 73, 307-325, 2018
A state-of-the-art review on the security of mainstream IoT wireless PAN protocol stacks
G Kambourakis, C Kolias, D Geneiatakis, G Karopoulos, GM Makrakis, ...
Symmetry 12 (4), 579, 2020
Self-organised key management for the smart grid
FF Demertzis, G Karopoulos, C Xenakis, A Colarieti
International Conference on Ad-Hoc Networks and Wireless, 303-316, 2015
Transforming malicious code to ROP gadgets for antivirus evasion
C Ntantogian, G Poulios, G Karopoulos, C Xenakis
IET Information Security 13 (6), 570-578, 2019
Complete SIP message obfuscation: PrivaSIP over Tor
G Karopoulos, A Fakis, G Kambourakis
2014 Ninth International Conference on Availability, Reliability and …, 2014
A survey of voice and communication protection solutions against wiretapping
C Ntantogian, E Veroni, G Karopoulos, C Xenakis
Computers & Electrical Engineering 77, 163-178, 2019
Caller identity privacy in SIP heterogeneous realms: A practical solution
G Karopoulos, G Kambourakis, S Gritzalis
2008 IEEE Symposium on Computers and Communications, 37-43, 2008
Sharing pandemic vaccination certificates through blockchain: Case study and performance evaluation
JL Hernández-Ramos, G Karopoulos, D Geneiatakis, T Martin, ...
arXiv preprint arXiv:2101.04575, 2021
Towards trusted metering in the smart grid
G Karopoulos, C Xenakis, S Tennina, S Evangelopoulos
2017 IEEE 22nd International Workshop on Computer Aided Modeling and Design …, 2017
Blockchain in Energy Communities
I Kounelis, R Di Gioia, D Geneiatakis, G Steri, R Neisse, G Karopoulos, ...
Publications Office of the European Union 66, 2017
Blockchain in Energy Communities A proof of concept
I Kounelis, R Giuliani, D Geneiatakis, R Di Gioia, G Karopoulos, G Steri, ...
JRC Tec. Rep. by Joint Research Centre (JRC), the European Commission’s …, 2017
Attacking GSM Networks as a Script Kiddie Using Commodity Hardware and Software
C Ntantogian, G Valtas, N Kapetanakis, F Lalagiannis, G Karopoulos, ...
International Conference on Trust and Privacy in Digital Business, 73-86, 2015
Privacy preserving context transfer schemes for 4G networks
I Terzis, G Kambourakis, G Karopoulos, C Lambrinoudakis
Wireless Communications and Mobile Computing 11 (2), 289-302, 2011
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