GOOD AFTERNOON, my name is kai,yan chen, Today, I’d like to talk to you aboutCommunal Acts of IoT Consumers . My focus will be on A Potential Threat to Security and Privacy. I’ve divided my presentation into five parts. I’m going to start with the Abstract & Introduction, second I’ll talk about the whole lifecycle of CEIoT products and devices and Five Acts of Casual IoT Consumer’s Security and Privacy Violation,, Third, I will mention the unresolved challenges, fourth I’ll talk about the Recommendations ,Finally, I will make a Conclusion of this presentation.Now let’s turn to Abstract & Introduction, Consumer Electronics Internet of Things (CEIoT) products, implemented with improper security measures and inadequate privacy-preserving mechanisms, let the hackers or intruders to access and misuse consumer's personal information. An immense and impeccable management of personal lives, health and safety are driven by the rapid proliferation of an ongoing phenomenon called the Internet of Things (IoT), in which connected machines are embedded with a plethora of wireless technologies. The consumers of IoT devices embrace these amazing technologies but unfortunately, they do not understand the extent of personal information being collected or inferred from the sensed data.