The IMSI is a unique number assigned to every mobile subscriber, which is stored on the SIM card and used by mobile networks to identify and authenticate users. An IMSI Catcher is a device that pretends to be a commercial Base Station (BS), tracks devices and violates subscriber privacy. Criminals or hackers may use IMSI […]

Before starting to talk about IMSI Catcher, we need to understand what is the IMSI, its importance, and its structure. Based on this, we will discuss the IMSI catcher. So let’s GO 🙂  What is IMSI? IMSI, International Mobile Subscriber Identity, is a unique static identity allocated to each subscriber in a mobile wireless system. […]