An intrusion-detection system (IDS) is a software-based tool used to detect for crackers or other security breaches such as incoming shellcodes, viruses or trojan horses in a computer system or network.
Two main types of intrustion detection system exists:
... Barents, (1550?-1597), Dutch, died on Nova Zembla seeking the Northeast Passage[?]
Abu Abdullah Muhammad Ibn Battuta, (1304?-1377?), Moroccan Muslim, visited Mecca ...