This paper showcases the vulnerabilities in the GSM security architecture through
implementation of an active attack at the Um interface. The attack was carried out by taking …

GSM is one of the most widely used standards in the world with more than 1.5 billion users.
Privacy, interception and theft of service continue to raise significant interest in GSM …

One of the weaknesses of a GSM network is a lack of two-way authentication. For years, this
weakness has been abused using IMSI catcher. However, due to high prices there were no …

The ubiquitous adoption of cellular technologies, such as, Long Term Evolution (LTE) and
Wide-band Code Division Multiple Access (WCDMA) has not diminished the impact of …

With the emergence of widely available hardware and software tools for GSM hacking, the
security of cellular networks is threatened even by script kiddies. In this paper we present …

Despite the rapid change in cellular technologies, Mobile Network Operators (MNOs) keep a
high percentage of their deployed infrastructure using Global System for Mobile …

The 2G GSM communication system only provides one-way authentication mechanism
which just authenticate the identities of mobile users. As we know, this is not resistant to fake …

In the last quarter of 2014, several successful attacks against mobile networks were
demonstrated. They are based on misuse of one of the key signaling protocol, SS7, which is …

Global System for Mobile communications (GSM) is the most popular telecommunication
protocol used in telecommunication networks. The telecommunications industry uses a …

In the 1990s, GSM emerged as a cutting-edge technology that promised improved services,
mobility, security, and increase in the revenues of companies through improved, secure …