A mobile Internet connection with the Netgear Hotspot Nighthawk M1 is protected by various security measures.

- Wi-Fi encryption: The router supports WPA-PSK and WPA2-PSK, which ensures secure encryption of the Wi-Fi connection.
- LTE security: The connection via the LTE network is also secured by mobile network standards, providing a high level of security against unauthorised access.
- Device management: The mobile app makes it easy to operate the device and monitor settings, which increases security and control over the connection.

Overall, the Nighthawk M1 provides a secure and reliable mobile internet connection.