Traceroute Based IP Channel for Sending Hidden Short Messages. - Zouheir Trabelsi; Hesham El-Sayed; Lilia Frikha; Tamer Rabie (IWSEC, 2006)

A novel covert channel based on the IP header record route option. - Zouheir Trabelsi; Hesham El-Sayed; Lilia Frikha; Tamer Rabie (Int. J. Adv. Media Commun., 2007)

A new covert channel in WIFI networks. - Lilia Frikha; Zouheir Trabelsi (CRiSIS, 2008)