Abstract
As an afterthought review methodology, security audit technology had been widely applied in the field of information security. In power information system, security auditing technology plays an irreplaceable role in the security vulnerabilities discovery, ATP attack detection and incident forensic analysis. This paper conducted a systematic research of audit information technology in the power information system, we firstly had a details research for each equipment security audit technology including operating system, database and network device. Afterwards, we designed the security audit system for the power information system including the system architecture, data collection technology and data processing method. It is shown that the security of power information system can be effectively enhanced by the security audit system.
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