监视系统 (jiānshì xìtǒng): This term refers to surveillance systems, including cameras and other devices used for monitoring.
隐私侵犯 (yǐnsī qīnfàn): This term refers to privacy invasion, where someone's personal information or activities are intruded upon without consent.
数据收集 (shùjù shōují): This term refers to data collection, which involves gathering and storing information about individuals for various purposes.