一、安防物联网及其特点1999年美国麻省理工学院(MIT)提出物联网概念,10余年间物联网在世界范围内越来越受到关注。在国内,随着政府对物联网产业关注和支持力度的显著提高,物联网已经逐渐从产业愿景走向现实应用。但由于物联网的概念一直以来缺乏清晰可辨识的定义,以及一些利益相关 I. Security Internet of Things and Its Features In 1999, the MIT proposed the concept of Internet of Things (IoT). In more than 10 years, the Internet of Things has drawn more and more attention in the world. In China, with the government’s concern and support for the Internet of Things industry significantly improved, the Internet of Things has gradually moved from the industry vision to the practical application. However, as the concept of IoT has always lacked a clear and identifiable definition, as well as some stakeholder