该文提出了一种轻量、高效、灵活的分组入侵检测方案。在该方案中, 整个传感器网络被划分成若干物理位置临近、具有相似观测结果的分组, 组内各传感器节点同时观测其它节点的多个属性, 以便精确地检测各种攻击行为。-This paper proposes a lightweight, efficient and flexible packet intrusion detection scheme. In this embodiment, the entire sensor network is divided into a plurality of physical locations close to, a packet having similar observations of each sensor node in the group while observing the plurality of attributes of other nodes, in order to accurately detect a variety of attacks.