User terminal using cloud service, integrated security management server for user terminal, and integrated security management method for user terminal

An integrated security management server for a user terminal, comprising:

• a communication unit for receiving authentication information from at least one user terminal that use a cloud service;
• a terminal and user authentication unit for authenticating the user terminal using the authentication information;
• a task information management unit for managing task information to be transmitted to the user terminal so as to control the user terminal;
• and
• a terminal state management unit for managing at least one of a result of processing the task information and state information received from the user terminal that processes the task information.

A user terminal for providing a cloud service to a user, comprising:

• a terminal communication unit for transmitting authentication information to an integrated security management server, and receiving task information from the integrated security management server that performs authentication based on the authentication information;
• a task information verification unit for verifying the task information based on verification information received from the integrated security management server;
• a state management unit for managing at least one of a security state and an operating state of a user terminal;
• an integrity verification unit for verifying integrity of at least one of software, a file, and a kernel area in accordance with the task information that has been verified;
• a resource access control unit for controlling authority to access resources in accordance with the task information that has been verified;
• and
• an update control unit for changing configuration of previously installed software in accordance with the task information that has been verified.