BALTIMORE--(BUSINESS WIRE)--Independent Security Evaluators (ISE), the security consulting and research firm organizing DEF CON’s first IoT Village, today announced its call for presentations known as the “Call For X.” “’Call For X’ is a play on the mathematical construct of X as an unknown variable,” explains Ted Harrington, one of the lead organizers of IoT Village and the Executive Partner at ISE. “The Call for X is an open-format track for the IoT Village. We want researchers to make sugges