ASD Certified Gateways Gateway services that are used by multiple Commonwealth entities must be IRAP assessed and certified by ASD with entities using the service awarding accreditation. The following providers maintain a PROTECTED gateway environment for government use. This environment has been IRAP assessed and ASD certified. Emantra Macquarie Government NTT Security (Australia) Optus Business Sliced Tech Telstra Verizon ASD only certifies select gateway environments, not the entire provider. Should you wish to procure an ASD certified PROTECTED gateway service, please discuss the details with one of the listed providers. ASD also certifies government-provided PROTECTED gateway services. For further details, please contact the ASD IRAP Team.