The article deals with the most dangerous topical issue related to the immediate safety of a person, society and the state as a whole - to technogenic terrorism. Technogenic terrorism represents an extremely complicated phenomenon in the social and legal environment of any state in the world and can have disastrous consequences for human security and for the world as a whole. This research focuses on the historical aspects of occurrence of hazard, it is analyzed individual objects of technosphere that carry potential danger, and it is defined the emergency essence as part of technogenic terrorism and it is provided their classification. Separately, it is focused on the technological safety state in Ukraine and finding of appropriate legal measures of counteractions to technogenic terrorism in Ukraine.