Attacks can be in the form of systematic overloading of the network with a small amount of traffic using the signaling overload. The network is choked with unwanted traffic in the form of bots, worms, DoS. Even a systematic low bandwidth of <256 Kbps of unwanted scan traffic can cause signaling overload and cause service disruption.
Following are some of the types of attacks against which Trellix IPS provides protection:
Sending unsolicited traffic from one mobile to other mobiles.
Paging attack where the network bandwidth is clogged with concentrated flash crowds due to low bandwidth which is similar to a DoS attack.
Attacks that are based on dedicated channel (DCH) assignment
Most of the third generation networks inherit known problems from the parent technologies like different forms of TCP/IP vulnerabilities.
Interception and impersonation attacks steal the information that is transmitted over the cellular network by breaking the confidentiality or integrity. This is due to lack or weak authentication and encryption mechanisms for GSM/UMTS.
Sending unsolicited traffic from the internet towards a large group of mobile connections results in battery depletion and overbilling attacks.
Security weaknesses in the IP Multimedia Subsystem (IMS) results in bringing down an entire network by loading a single component in the signaling path, with a low bandwidth traffic.
SMS flooding attack is typically by loading signaling channels on which SMS are transmitted.