Everybody with a pulse is excited about the IoT, for all of the right reasons, but the market is starting to recognize the challenges of security. See the following EE Times article by John Curran of Accenture for a description of the security challenges of IoT: https://www.eetimes.com/author.asp?section_id=36&doc_id=1328584.
Fortunately, wolfSSL is here to help secure your IoT designs. We currently have staff at CES, so let us know if you would like to get together at the show by emailing us at facts@wolfssl.com.