DEFSEC Technologies Inc. engages in the development and commercialization of tactical systems for military, public safety agencies, and personal defense markets. The company offers real-time data sharing at the tactical level, including integration with battlefield management applications; battlefield laser detection systems; and digitized firing platforms and electro magnetic spectrum operations. It also provides less-lethal munitions systems, including PARA OPS and ARWEN system. DEFSEC Technologies Inc. was formerly known as KWESST Micro Systems Inc. and changed its name to DEFSEC Technologies Inc. in June 2025. DEFSEC Technologies Inc. was founded in 2017 and is headquartered in Ottawa, Canada.