Method and system for detecting network security threat based on trusted business flow
A technology for network security and threat detection, applied in the field of network information security, can solve the problems of low false positive rate and anti-kill efficiency, high false positive rate of defense system, and many loopholes, etc., to improve the degree of intervention and perception, and high anti-kill efficiency. , the effect of low false alarm rate
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[0032] The present invention provides a network security threat detection method and system based on a trusted service flow. By real-time monitoring and characteristic analysis of the actual flow in the service system and the "trusted service flow", the network system can be discovered and found in time. Abnormal network behavior and host behavior, so as to achieve the purpose of timely detection of security threats.
[0033] Among them, abnormal network behavior and host behavior include: using an incorrect identity, at an incorrect time, in an incorrect location (through incorrect channels), and performing incorrect operations on unauthorized resources in an incorrect manner .
[0034] Trusted business flow is to monitor the business traffic in daily work, sample the behavior of the system or users, calculate the collected samples, and obtain a series of parameter variables to describe these behaviors, thus sorting out The minimum network access relationship that satisfies norma...
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