METHOD AND SYSTEM FOR PROTECTING USER DATA IN A NODE

摘要

A method and system for protecting data stored in a node are disclosed. Upon detection of an attempt to compromise security at a residing node, the data may be moved from the residing node to an escrow node which is a trustworthy intermediary node. The data may be encrypted for prior to transmission to the escrow node. Stakeholders of the data may be notified of such movement so that the stakeholders may take actions. A security bureau mayAn attempted breach of security at a residing node can may automatically place the residing node in a compromised state, and upon which the an owner may submit the residing node to the a security bureau to clear the compromised state. The escrow node may transfer the data to an off-site node if the owner or user of the residing node is not trustworthy. The residing node may send a message to an intermediary node as a noitification regarding to inform about the attempted a breach in security of security, and encrypts the data with a new encryption key issued by the intermediary node issued by the intermediary node.