Rec. ITU-T Y.4807 (01/2020) Agility by design for telecommunication/ICT systems security used in the Internet of things Summary History FOREWORD Table of Contents 1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Recommendation 4 Abbreviations and acronyms 5 Conventions 6 ICT security challenges and impact on IoT 7 Secure design considerations 8 Agility by design 9 Conclusion Appendix I Example telecommunication/ICT systems that utilize algorithm agility 1) ITU-T X.509 certificates 2) Transport layer security (TLS) 3) GSMA remote SIM provisioning architecture 4) Secure domain name system (DNS) 5) RIPE Atlas 6) [ITU-T Y.4805] requirements Bibliography