Instant messaging (IM) systems have gained a lot of popularity in recent years. The increasing number of IM users has lured malware authors to develop more worms and viruses that ...
In recent years, instant messaging (IM) has become a popular medium of online communication. While IM is expanding into the enterprise beyond personal use, it brings the convenien...
– The standard ISIM-based authentication mechanism of IMS is only intended for mobile phones and cannot be used for fixed IMS clients on stationary devices without SIM cards. Thi...