Stefanos Gritzalis

ORCID

Publication Activity (10 Years)

Years Active: 1992-2023
Publications (10 Years): 68

Top Venues

TrustBus

Future Internet

Int. J. Inf. Sec.

Secur. Commun. Networks

Publications

Eirini Molla, Panagiotis Rizomiliotis, Stefanos Gritzalis
Efficient searchable symmetric encryption supporting range queries. Int. J. Inf. Sec. 22 (4) (2023)
Aggeliki Tsohou, Vasiliki Diamantopoulou, Stefanos Gritzalis, Costas Lambrinoudakis
Cyber insurance: state of the art, trends and future directions. Int. J. Inf. Sec. 22 (3) (2023)
Efstratios Chatzoglou, Vasileios Kouliaridis, Georgios Kambourakis, Georgios Karopoulos, Stefanos Gritzalis
A hands-on gaze on HTTP/3 security through the lens of HTTP/2 and a public dataset. Comput. Secur. 125 (2023)
Diamantatos Paraskevas, Ergina Kavallieratou, Stefanos Gritzalis
Directional Hinge Features for Writer Identification: The Importance of the Skeleton and the Effects of Character Size and Pixel Intensity. SN Comput. Sci. 3 (1) (2022)
Katerina Vgena, Angeliki Kitsiou, Christos Kalloniatis, Stefanos Gritzalis
Determining the Role of Social Identity Attributes to the Protection of Users' Privacy in Social Media. Future Internet 14 (9) (2022)
Angeliki Kitsiou, Charikleia Despotidi, Christos Kalloniatis, Stefanos Gritzalis
The Role of Users' Demographic and Social Attributes for Accepting Biometric Systems: A Greek Case Study. Future Internet 14 (11) (2022)
Efstratios Chatzoglou, Vasileios Kouliaridis, Georgios Kambourakis, Georgios Karopoulos, Stefanos Gritzalis
A hands-on gaze on HTTP/3 security through the lens of HTTP/2 and a public dataset. CoRR (2022)
Athanasia Routzouni, Nikolaos Dimitrios (Nikos) Vasilakis, Spiros Kapetanakis, Stefanos Gritzalis, Athanasia Pouloudi
Public sector innovation through design thinking: Applying a participatory policy design practice to support the formulation of a national digital transformation strategy. ICEGOV (2021)
Christos Kalloniatis, Costas Lambrinoudakis, Mathias Musahl, Athanasios G. Kanatas, Stefanos Gritzalis
Incorporating privacy by design in body sensor networks for medical applications: A privacy and data protection framework. Comput. Sci. Inf. Syst. 18 (1) (2021)
Maria Eleni Skarkala, Manolis Maragoudakis, Stefanos Gritzalis, Lilian Mitrou
PPDM-TAN: A Privacy-Preserving Multi-Party Classifier. Comput. 9 (1) (2021)
Angeliki Kitsiou, Eleni Tzortzaki, Christos Kalloniatis, Stefanos Gritzalis
Identifying Privacy Related Requirements for the Design of Self-Adaptive Privacy Protections Schemes in Social Networks. Future Internet 13 (2) (2021)
Georgia Frantzeskou, Stephen G. MacDonell, Efstathios Stamatatos, Stelios Georgiou, Stefanos Gritzalis
The significance of user-defined identifiers in Java source code authorship identification. CoRR (2021)
Angeliki Kitsiou, Eleni Tzortzaki, Christos Kalloniatis, Stefanos Gritzalis
Self Adaptive Privacy in Cloud Computing Environments: Identifying the Major Socio-Technical Concepts. CyberICPS/SECPRE/ADIoT@ESORICS (2020)
Maria Eleni Skarkala, Manolis Maragoudakis, Stefanos Gritzalis, Lilian Mitrou
PP-TAN: a Privacy Preserving Multi-party Tree Augmented Naive Bayes Classifier. SEEDA-CECNSM (2020)
Maria Sideri, Stefanos Gritzalis
Are We Really Informed on the Rights GDPR Guarantees? HAISA (2020)
Vasiliki Diamantopoulou, Aggeliki Androutsopoulou, Stefanos Gritzalis, Yannis Charalabidis
Preserving Digital Privacy in e-Participation Environments: Towards GDPR Compliance. Inf. 11 (2) (2020)
Angeliki Kitsiou, Eleni Tzortzaki, Christos Kalloniatis, Stefanos Gritzalis
Measuring Users' Socio-contextual Attributes for Self-adaptive Privacy Within Cloud-Computing Environments. TrustBus (2020)
Maria Sideri, Athanasios Fontaras, Stefanos Gritzalis
What Do We Know About Our Rights to Data Protection? A Greek Case Study. e-Democracy (2019)
Christos Kalloniatis, Dimitris Kavroudakis, Amalia Polidoropoulou, Stefanos Gritzalis
Designing Privacy-Aware Intelligent Transport Systems: A Roadmap for Identifying the Major Privacy Concepts. Int. J. Appl. Geospat. Res. 10 (1) (2019)
Maria Sideri, Angeliki Kitsiou, Ariadni Filippopoulou, Christos Kalloniatis, Stefanos Gritzalis
E-Governance in educational settings. Internet Res. 29 (4) (2019)
Stavros Simou, Christos Kalloniatis, Stefanos Gritzalis, Vasilios Katos
A framework for designing cloud forensic-enabled services (CFeS). Requir. Eng. 24 (3) (2019)
Athanasia Routzouni, Athanasios P. Deligiannis, Stefanos Gritzalis
A generalised Co-Evaluation Model of Public Policies. MCIS (2019)
Katerina Vgena, Angeliki Kitsiou, Christos Kalloniatis, Dimitris Kavroudakis, Stefanos Gritzalis
Toward Addressing Location Privacy Issues: New Affiliations with Social and Location Attributes. Future Internet 11 (11) (2019)
Athanasia Routzouni, Athanasios P. Deligiannis, Vassilios Peristeras, Stefanos Gritzalis
An Intercountry Survey of Participatory Practices Used for Open Government Partnership National Action Plan Development. EGOV (2019)
Stavros Simou, Christos Kalloniatis, Stefanos Gritzalis, Vasilis Katos
A Revised Forensic Process for Aligning the Investigation Process with the Design of Forensic-Enabled Cloud Services. e-Democracy (2019)
Panagiotis Rizomiliotis, Stefanos Gritzalis
Simple Forward and Backward Private Searchable Symmetric Encryption Schemes with Constant Number of Roundtrips. CCSW@CCS (2019)
Filippos Giannakas, Andreas Papasalouros, Georgios Kambourakis, Stefanos Gritzalis
A comprehensive cybersecurity learning platform for elementary education. Inf. Secur. J. A Glob. Perspect. 28 (3) (2019)
Aikaterini-Georgia Mavroeidi, Angeliki Kitsiou, Christos Kalloniatis, Stefanos Gritzalis
Gamification vs. Privacy: Identifying and Analysing the Major Concerns. Future Internet 11 (3) (2019)
Kim-Kwang Raymond Choo, Stefanos Gritzalis, Jong Hyuk Park
Cryptographic Solutions for Industrial Internet-of-Things: Research Challenges and Opportunities. IEEE Trans. Ind. Informatics 14 (8) (2018)
Athanasia Routzouni, Stefanos Gritzalis
The Civil Society as an Innovation Partner in Public Policy Making: Co-Creating the Greek National Action Plan on Open Government. MCIS (2018)
Vasiliki Diamantopoulou, Aggeliki Androutsopoulou, Stefanos Gritzalis, Yannis Charalabidis
An assessment of privacy preservation in crowdsourcing approaches: Towards GDPR compliance. RCIS (2018)
Marios Anagnostopoulos, Georgios Kambourakis, Stefanos Gritzalis, David K. Y. Yau
Never say never: Authoritative TLD nameserver-powered DNS amplification. NOMS (2018)
Stavros Simou, Ioannis Troumpis, Christos Kalloniatis, Dimitris Kavroudakis, Stefanos Gritzalis
A Decision-Making Approach for Improving Organizations' Cloud Forensic Readiness. TrustBus (2018)
George E. Tsekouras, John V. Tsimikas, Christos Kalloniatis, Stefanos Gritzalis
Interpretability Constraints for Fuzzy Modeling Implemented by Constrained Particle Swarm Optimization. IEEE Trans. Fuzzy Syst. 26 (4) (2018)
Shareeful Islam, Moussa Ouedraogo, Christos Kalloniatis, Haralambos Mouratidis, Stefanos Gritzalis
Assurance of Security and Privacy Requirements for Cloud Deployment Models. IEEE Trans. Cloud Comput. 6 (2) (2018)
Rodrigo Roman Castro, Javier López, Stefanos Gritzalis
Evolution and Trends in IoT Security. Computer 51 (7) (2018)
Argyri Pattakou, Aikaterini-Georgia Mavroeidi, Vasiliki Diamantopoulou, Christos Kalloniatis, Stefanos Gritzalis
Towards the Design of Usable Privacy by Design Methodologies. ESPRE@RE (2018)
Eirini Molla, Theodoros Tzouramanis, Stefanos Gritzalis
SOPE: A Spatial Order Preserving Encryption Model for Multi-dimensional Data. CoRR (2017)
Vasiliki Diamantopoulou, Christos Kalloniatis, Stefanos Gritzalis, Haralambos Mouratidis
Supporting Privacy by Design Using Privacy Process Patterns. SEC (2017)
Lefkothea Spiliotopoulou, Dimitrios Damopoulos, Yannis Charalabidis, Manolis Maragoudakis, Stefanos Gritzalis
Europe in the shadow of financial crisis: Policy Making via Stance Classification. HICSS (2017)
Manolis Chalaris, Ioannis Chalaris, Stefanos Gritzalis, Cleo Sgouropoulou
Maturity Level of the Quality Assurance Evaluation Procedures in Higher Education: A qualitative research. PCI (2017)
Stavros Simou, Christos Kalloniatis, Stefanos Gritzalis
Modelling Cloud Forensic-Enabled Services. TrustBus (2017)
Maria Sideri, Angeliki Kitsiou, Eleni Tzortzaki, Christos Kalloniatis, Stefanos Gritzalis
"I Have Learned that I Must Think Twice Before...". An Educational Intervention for Enhancing Students' Privacy Awareness in Facebook. e-Democracy (2017)
Vasiliki Diamantopoulou, Nikolaos Argyropoulos, Christos Kalloniatis, Stefanos Gritzalis
Supporting the design of privacy-aware business processes via privacy process patterns. RCIS (2017)
Panagiotis Rizomiliotis, Eirini Molla, Stefanos Gritzalis
REX: A Searchable Symmetric Encryption Scheme Supporting Range Queries. CCSW@CCS (2017)
Nikolaos Argyropoulos, Shaun Shei, Christos Kalloniatis, Haralambos Mouratidis, Aidan J. Delaney, Andrew Fish, Stefanos Gritzalis
A Semi-Automatic Approach for Eliciting Cloud Security and Privacy Requirements. HICSS (2017)
Vasiliki Diamantopoulou, Aggeliki Tsohou, Euripidis N. Loukis, Stefanos Gritzalis
Does the Development of Information Systems Resources Lead to the Development of Information Security Resources? An Empirical Investigation. AMCIS (2017)
Christos Kalloniatis, Argyri Pattakou, Evangelia Kavakli, Stefanos Gritzalis
Designing Secure and Privacy-Aware Information Systems. Int. J. Secur. Softw. Eng. 8 (2) (2017)
Maria Sideri, Ariadni Filippopoulou, George Rouvalis, Christos Kalloniatis, Stefanos Gritzalis
Social Media Use for Decision Making Process in Educational Settings: The Greek Case for Leadership's Views and Attitude in Secondary and Tertiary Education. HICSS (2017)
Panagiotis Zagouras, Christos Kalloniatis, Stefanos Gritzalis
Managing User Experience: Usability and Security in a New Era of Software Supremacy. HCI (22) (2017)
Stavros Simou, Christos Kalloniatis, Stefanos Gritzalis, Haralambos Mouratidis
A survey on cloud forensics challenges and solutions. Secur. Commun. Networks 9 (18) (2016)
Angeliki Kitsiou, Eleni Tzortzaki, Maria Sideri, Stefanos Gritzalis
Digital privacy and social capital on social network sites. friends or foes? STAST (2016)
Jong Hyuk Park, Stefanos Gritzalis, Bo-Chao Cheng, Ning Zhang
Challenges and opportunities in next-generation cyberspace security. Secur. Commun. Networks 9 (6) (2016)
Stavros Simou, Christos Kalloniatis, Haralambos Mouratidis, Stefanos Gritzalis
Towards a Model-Based Framework for Forensic-Enabled Cloud Information Systems. TrustBus (2016)
Argyri Pattakou, Christos Kalloniatis, Stefanos Gritzalis
Reasoning About Security and Privacy in Cloud Computing Under a Unified Meta-Model. HAISA (2016)
Filippos Giannakas, Georgios Kambourakis, Andreas Papasalouros, Stefanos Gritzalis
Security Education and Awareness for K-6 Going Mobile. Int. J. Interact. Mob. Technol. 10 (2) (2016)
Eleni Tzortzaki, Angeliki Kitsiou, Maria Sideri, Stefanos Gritzalis
Self-disclosure, Privacy concerns and Social Capital benefits interaction in FB: A case study. PCI (2016)
Marios Anagnostopoulos, Georgios Kambourakis, Stefanos Gritzalis
New facets of mobile botnet: architecture and evaluation. Int. J. Inf. Sec. 15 (5) (2016)
Diamantatos Paraskevas, Ergina Kavallieratou, Stefanos Gritzalis
Skeleton Hinge Distribution for Writer Identification. Int. J. Artif. Intell. Tools 25 (3) (2016)
Constantinos Kolias, Georgios Kambourakis, Angelos Stavrou, Stefanos Gritzalis
Intrusion Detection in 802.11 Networks: Empirical Evaluation of Threats and a Public Dataset. IEEE Commun. Surv. Tutorials 18 (1) (2016)
Zisis Tsiatsikas, Dimitris Geneiatakis, Georgios Kambourakis, Stefanos Gritzalis
Realtime DDoS Detection in SIP Ecosystems: Machine Learning Tools of the Trade. NSS (2016)
Evangelia Kavakli, Christos Kalloniatis, Haralambos Mouratidis, Stefanos Gritzalis
Privacy as an Integral Part of the Implementation of Cloud Solutions. Comput. J. 58 (10) (2015)
Stavros Simou, Christos Kalloniatis, Haralambos Mouratidis, Stefanos Gritzalis
Towards the Development of a Cloud Forensics Methodology: A Conceptual Model. CAiSE Workshops (2015)
Maria Sideri, Angeliki Kitsiou, Christos Kalloniatis, Stefanos Gritzalis
Privacy and Facebook Universities Students' Communities for Confessions and Secrets: The Greek Case. e-Democracy (2015)
Panagiotis Rizomiliotis, Stefanos Gritzalis
ORAM Based Forward Privacy Preserving Dynamic Searchable Symmetric Encryption Schemes. CCSW (2015)
Shiguo Lian, Stefanos Gritzalis
Innovations in emerging multimedia communication systems. Telecommun. Syst. 59 (3) (2015)
Prokopios Drogkaris, Stefanos Gritzalis, Christos Kalloniatis, Costas Lambrinoudakis
A Hierarchical Multitier Approach for Privacy Policies in e-Government Environments. Future Internet 7 (4) (2015)
Stavros Simou, Christos Kalloniatis, Haralambos Mouratidis, Stefanos Gritzalis
A Meta-model for Assisting a Cloud Forensics Process. CRiSIS (2015)
Stavros Simou, Christos Kalloniatis, Evangelia Kavakli, Stefanos Gritzalis
Cloud Forensics Solutions: A Review. CAiSE Workshops (2014)
Kristian Beckers, Stephan Faßbender, Stefanos Gritzalis, Maritta Heisel, Christos Kalloniatis, Rene Meis
Privacy-Aware Cloud Deployment Scenario Selection. TrustBus (2014)
Dimitrios Damopoulos, Georgios Kambourakis, Stefanos Gritzalis, Sang Oh Park
Exposing mobile malware from the inside (or what is your mobile app really doing?). Peer-to-Peer Netw. Appl. 7 (4) (2014)
Evangelos Rekleitis, Panagiotis Rizomiliotis, Stefanos Gritzalis
How to protect security and privacy in the IoT: a policy-based RFID tag management protocol. Secur. Commun. Networks 7 (12) (2014)
Christos Kalloniatis, Haralambos Mouratidis, Vassilis Manousakis, Shareeful Islam, Stefanos Gritzalis, Evangelia Kavakli
Towards the design of secure and privacy-oriented information systems in the cloud: Identifying the major concepts. Comput. Stand. Interfaces 36 (4) (2014)
James Clarke, Stefanos Gritzalis, Jianying Zhou, Rodrigo Roman
Protecting the internet of things. Secur. Commun. Networks 7 (12) (2014)
Diamantatos Paraskevas, Stefanos Gritzalis, Ergina Kavallieratou
Writer Identification Using a Statistical and Model Based Approach. ICFHR (2014)
Ioannis Chalaris, Manolis Chalaris, Stefanos Gritzalis
A holistic approach for quality assurance and advanced decision making for academic institutions using the balanced scorecard technique. Panhellenic Conference on Informatics (2014)
Stavros Simou, Christos Kalloniatis, Evangelia Kavakli, Stefanos Gritzalis
Cloud Forensics: Identifying the Major Issues and Challenges. CAiSE (2014)
James Clarke, Stefanos Gritzalis, Jianying Zhou, Rodrigo Roman
Security in a completely interconnected world. Secur. Commun. Networks 7 (12) (2014)
Alexandros Panteli, Manolis Maragoudakis, Stefanos Gritzalis
Privacy Preserving Data Mining Using Radial Basis Functions on Horizontally Partitioned Databases in the Malicious Model. Int. J. Artif. Intell. Tools 23 (5) (2014)
Petros Belsis, Christos Skourlas, Stefanos Gritzalis
A Wireless System for Secure Electronic Healthcare Records Management. Int. J. Adv. Pervasive Ubiquitous Comput. 5 (4) (2013)
Panagiotis Rizomiliotis, Stefanos Gritzalis
On the security of AUTH, a provably secure authentication protocol based on the subspace LPN problem. Int. J. Inf. Sec. 12 (2) (2013)
Michalis Pavlidis, Haralambos Mouratidis, Christos Kalloniatis, Shareeful Islam, Stefanos Gritzalis
Trustworthy Selection of Cloud Providers Based on Security and Privacy Requirements: Justifying Trust Assumptions. TrustBus (2013)
Marios Anagnostopoulos, Georgios Kambourakis, Panagiotis Kopanos, Georgios Louloudakis, Stefanos Gritzalis
DNS amplification attack revisited. Comput. Secur. 39 (2013)
Stefanos Gritzalis, Shiguo Lian
Mathematical and Computer Modelling in Information System Security. Math. Comput. Model. 57 (11-12) (2013)
Dimitrios Damopoulos, Georgios Kambourakis, Stefanos Gritzalis
From keyloggers to touchloggers: Take the rough with the smooth. Comput. Secur. 32 (2013)
Haralambos Mouratidis, Shareeful Islam, Christos Kalloniatis, Stefanos Gritzalis
A framework to support selection of cloud providers based on security and privacy requirements. J. Syst. Softw. 86 (9) (2013)
Fernando Pereñíguez-Garcia, Rafael Marín López, Georgios Kambourakis, Antonio Ruiz-Martínez, Stefanos Gritzalis, Antonio Fernandez Gómez-Skarmeta
KAMU: providing advanced user privacy in Kerberos multi-domain scenarios. Int. J. Inf. Sec. 12 (6) (2013)
Vassilis Manousakis, Christos Kalloniatis, Evangelia Kavakli, Stefanos Gritzalis
Privacy in the Cloud: Bridging the Gap between Design and Implementation. CAiSE Workshops (2013)
Panagiotis Rizomiliotis, Stefanos Gritzalis
Revisiting lightweight authentication protocols based on hard learning problems. WISEC (2013)
Stefanos Gritzalis, Justin Z. Zhan, Kitae Jeong
IT convergence and security. Electron. Commer. Res. 13 (3) (2013)
Constantinos Kolias, Georgios Kambourakis, Stefanos Gritzalis
Attacks and Countermeasures on 802.16: Analysis and Assessment. IEEE Commun. Surv. Tutorials 15 (1) (2013)
Christos Kalloniatis, Vassilis Manousakis, Haralambos Mouratidis, Stefanos Gritzalis
Migrating into the Cloud: Identifying the Major Security and Privacy Concerns. I3E (2013)
Stefanos Gritzalis, Lin Liu
Requirements Engineering for Security, Privacy and Services in Cloud Environments. Requir. Eng. 18 (4) (2013)
Dimitrios Damopoulos, Georgios Kambourakis, Marios Anagnostopoulos, Stefanos Gritzalis, J. H. Park
User privacy and modern mobile services: are they on the same path? Pers. Ubiquitous Comput. 17 (7) (2013)
Xiaodong Lin, Jianwei Liu, Stefanos Gritzalis
Security and privacy in emerging information technologies. Secur. Commun. Networks 5 (1) (2012)
Xi Chen, Shiguo Lian, Chu-Sing Yang, Stefanos Gritzalis
Guest Editorial. J. Networks 7 (2) (2012)
Alexandros Tsakountakis, Georgios Kambourakis, Stefanos Gritzalis
SIPA: generic and secure accounting for SIP. Secur. Commun. Networks 5 (9) (2012)
Maria Eleni Skarkala, Manolis Maragoudakis, Stefanos Gritzalis, Lilian Mitrou, Hannu Toivonen, Pirjo Moen
Privacy Preservation by k-Anonymization of Weighted Social Networks. ASONAM (2012)
Shiguo Lian, Jean-Henry Morin, Stefanos Gritzalis, Gregory L. Heileman
Special issue on ubiquitous multimedia services. Inf. Syst. Frontiers 14 (3) (2012)
Panagiotis Rizomiliotis, Stefanos Gritzalis
GHB #: A Provably Secure HB-Like Lightweight Authentication Protocol. ACNS (2012)

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Publication Activity (10 Years)

Top Topics

Top Venues

Stefanos Gritzalis