A secure boot system adds cryptographic checks to each stage of the system boot process. Cryptographic processing verifies the authenticity of all of the protected software images that are executed by the devices. Routers with a secure boot protection mechanism allows loading firmware released only by Teltonika | A secure boot system adds cryptographic checks to each stage of the system boot process. Cryptographic processing verifies the authenticity of all of the protected software images that are executed by the devices. Routers with a secure boot protection mechanism allows loading firmware released only by Teltonika |