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:
... service, crossed the Atlantic Ocean to North America
Pedro Alvares Cabral, (c. 1467-c. 1520), discovered Brazil and Madagascar
Juan Sebastian del Cano[?] - completed ...