Gsm+secret+firmware

Government agencies (FBI, MI5, Mossad, etc.) legally compel or secretly collaborate with manufacturers to implant features directly into baseband firmware. These features are "secret" to the user but authorized by courts. For example, the "Pegasus" spyware by NSO Group often uses baseband exploits (like the infamous "KASPER" module) as its first-stage implant.

Before diving into the "secret" part, we must understand the base layer. gsm+secret+firmware

: Displays the IMEI (International Mobile Equipment Identity), the unique identifier for your GSM device. Government agencies (FBI, MI5, Mossad, etc