Πλοήγηση ανά Συγγραφέα "Kopsidas, S."
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An architecture for secure VoiIP and collaboration applications
Zisiadis, D.; Kopsidas, S.; Tassiulas, L. (2007)VoIP and collaboration Internet applications are a driving force for the use and expansion of the Internet. Current applications usually require end user registration in a central user database, which in turn provides ... -
Design and implementation of a VIPSec based application
Kopsidas, S.; Zisiadis, D.; Tassiulas, L. (2007)Voice over IP (VoIP) is one of the most emerging technologies, while a respectable number of corresponding applications are being implemented or updated in daily basis. Although communications security is a constant ... -
Enhancing WPS security
Zisiadis, D.; Kopsidas, S.; Varalis, A.; Tassiulas, L. (2012)The main concern on the use of wireless technologies is security, due to the nature of the medium. User awareness in order to implement efficient security configurations is an important requirement raised by the technology, ... -
Mailbook: A social network against spamming
Zisiadis, D.; Kopsidas, S.; Varalis, A.; Tassiulas, L. (2011)Spam is the main problem of email systems nowadays. The total amount of spam emails account for more than 75% of the total emails exchanged worldwide; recent reports raise this number up to more than 90%. Novel anti-spam ... -
A secure VoIP conference system: Architecture analysis and design issues
Kopsidas, S.; Zisiadis, D.; Tassiulas, L. (2007)In this paper we present the architectural design of a secure VoIP conference system for mobile devices, which is using the strong security mechanisms of the Z Real Time Transport Protocol (ZRTP). We also provide implementation ... -
Simple Mail Delivery Protocol: Recipient-based email delivery with anti-spam support
Zisiadis, D.; Kopsidas, S.; Tassiulas, L. (2013)In this paper we propose a user based architecture for the email system, where the recipient of an email message manage its receipt in conjunction with both origin and destination email servers. Messages are kept to the ... -
VIPSec defined
Zisiadis, D.; Kopsidas, S.; Tassiulas, L. (2008)Secure end-to-end information exchange is a constant challenge in electronic communications. Novel security architectures and approaches are proposed constantly, to be followed by announcements of sophisticated attack ... -
Voice interactive personalized security (VoIPSEC) protocol: Fortify internet telephony by providing end-to-end security through inbound key exchange and biometric verification
Kopsidas, S.; Zisiadis, D.; Tassiulas, L. (2006)Secure end-to-end information exchange is a constant challenge in electronic communications. Novel security architectures and approaches are proposed constantly, to be followed by announcements of sophisticated attack ... -
Voice interactive personalized security protocol: Definition and security analysis
Zisiadis, D.; Kopsidas, S.; Tassiulas, L. (2007)Security is a major issue in VoIP communications over the Internet, especially in mobile environments. Voice Interactive Personalized Security (VIPSec) constitutes a method for leveraging the security for Internet ...