The invention relates to a data security assurance method based on the Internet of Things. The method comprises the following steps: S1, an Internet of Things node reports a security event; S2, security event clustering is performed to obtain event types corresponding to the clustering centers, and event attributes of the event types are set; S3, for each event type, a security check strategy is formulated for the event type; s4, security check is started based on event attributes of the event types; and S5, the node performs security check based on the security check strategy. Differentiatedsafety protection can be provided for differentiated Internet of Things nodes, different types of inspection granularity and inspection modes are provided for different distribution conditions, and the strength and efficiency of safety guarantee are greatly improved.

Data security assurance method based on Internet of Things

The invention discloses an access control method and a security policy server of a video surveillance system. The video surveillance system comprises front-end equipment and a business server, wherein the security policy server is arranged on a communication link between the front-end equipment and the business server; the security policy server subscribes typical events to the service server, sets corresponding access control rules according to types of the typical events, receives the typical events reported by the service server when the subscribed typical events occur, extracts the corresponding front-end equipment and the types of the typical events from the reported typical events, and controls access of the business server by the front-end equipment corresponding to the typical events according to access control rules corresponding to the types of the typical events. One security policy server is added to an original monitoring system, the front-end equipment does not need to be subjected to any adaptation in a control process, seamless full-compatible access is realized, the implementation is simple, and the universality is high.

Access control method and security policy server of video surveillance system

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Access control method and security policy server of video surveillance system