| Subject | English | Portuguese |
| comp., MS, Braz. | intrusion detection system | sistema de detecção de intrusões (A type of security management system for computers and networks. Intrusion detection systems (IDS) provide real-time monitoring of network traffic. An IDS can detect a wide range of hostile attack signatures (patterns), generate alarms to alert operations staff and, in some cases, cause routers to terminate communications from hostile sources) |
| industr. | intrusion detection system | sistema de deteção de intrusão |