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Case study

Private APN security for 350,000 field SIMs

The General Directorate of Security (Emniyet Genel Müdürlüğü) connects field terminals and in-vehicle devices over a private APN with APNZone and ConnGuard.

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350,000SIMs

General Directorate of Security (Emniyet Genel Müdürlüğü) · Scale

Source: NSS project record

Customer
General Directorate of Security (Emniyet Genel Müdürlüğü)
Products used
APNZone + ConnGuard NAC

The challenge

Securely connecting field terminals and in-vehicle devices, against SIM cloning and unauthorised device access.

The solution at a glance

APNZone console: cellular sessions on a private APN, SIM-IMEI binding and a quarantined device
APNZone console · illustrative vendor data
ConnGuard flow: a device passes identity, patch and contextual risk checks and lands on the corporate network, an IoT segment or quarantine
ConnGuard access decision · vendor visual

The project

Vehicle terminals, mobile data terminals and handhelds of the General Directorate of Security (Emniyet Genel Müdürlüğü) connect over a private APN. Every SIM is bound to its registered device.

How it works

  • SIM-to-device binding: APNZone pairs each SIM (IMSI) with the identity of its registered device (IMEI). If the SIM is moved to another device, the connection is refused at authentication.
  • Off the public internet: Field devices stay on the private APN and are not visible from the public internet.
  • Isolation from one console: A lost or stolen device can be cut off nationwide from a single console.

Products used

Next step

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