[EN] Monitoring is one of the best ways to evaluate the behavior of computer systems. When the monitored system is a distributed system¿such as a wireless sensor network (WSN)¿the monitoring operation must also be distributed, ...

[EN] This work presents an active hybrid monitor with low intrusion, to be applied on sensor network nodes. Intrusion caused to the sensor node has been evaluated on three aspects: time, additional code, and power consumption.