Finally, put forward the existing difficult problems of NSSA at present and research directions of NSSA in the near future.
最后，总结和展望了网络安全态势感知当前存在的难题和今后的研究方向。
Recently, network security situational awareness (NSSA) is becoming an emerging topic in network security domain, which generally reflects the status of network security.
网络安全态势感知是近年来一个新兴的网络安全研究课题，是对网络安全状况的一个整体反映。
As an important data source reflecting the network security situation, logs affect the implementation of NSSA significantly, in the sense that it is important to make use of log-related data.
日志作为反映网络安全状况的重要数据源之一，对网络安全态势感知的实现有着关键的影响，如何做到对日志类数据的充分利用是非常关键的。
As an important data source reflecting the network security situation, logs affect the implementation of NSSA significantly, in the sense that it is important to make use of log-related data.
日志作为反映网络安全状况的重要数据源之一，对网络安全态势感知的实现有着关键的影响，如何做到对日志类数据的充分利用是非常关键的。
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