| Subject | English | French |
| gen. | control unit for intrusion detection system | centrale de détection d'intrusion |
| gen. | intrusion detection control unit | centrale de détection d'effraction |
| comp., MS | intrusion detection system | système de détection d'intrusion (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) |
| bank. | intrusion detection system | système de detection des intrusions |
| industr. | intrusion detection system | système de détection des intrusions |
| gen. | intrusion detection systems | systèmes anti-intrusion |
| avia., Canada | NAV CANADA Proactive Intrusion Detection System | Système proactif de détection des intrusions de NAV CANADA |