Defense Technologies International Corp., through its subsidiary, Passive Security Scan, Inc., develops and sells passive scanning technology for detection and identifying concealed threats for the security of schools and other public venues in the United States. The company offers Passive Portal, a walk-through scanner based on passive sensing –zero ration. The company was formerly known as Canyon Gold Corp. and changed its name to Defense Technologies International Corp. in June 2016. Defense Technologies International Corp. was incorporated in 1998 and is based in Del Mar, California.