Internet-based automatic security system and method

An Internet-based automatic security system, comprising:

• a network server being comprised of a database, a network detection module and an automatic transmitting module, said database storing information, said network detection module receiving information regarding status and detecting a networking state, said automatic transmitting module automatically transmitting alarm information from said network detection module;
• and
• a security device, being comprised of a microcontroller, a virtual IP network module and a wireless transmission module, said microcontroller linking preset security components, said virtual IP network module employing a virtual IP address and linking to a virtual IP router through a transmission interface, information of security field being transmitted via Internet to said network server, said security device being further comprised of a polling module, linked automatically at an interval to said network server for reading data and judging inquiry about or setting the security device.