It is mainly composed of three parts,that is,user access control,data transparent encryption and operation audit,with the function to convert client machine from unreliable entity to trustworthy one.

The development project of a kind of audit data sampling analysis system is introduced.

Conventional operating systems lack sufficient audit data to allow hostbased intrusion detection systems to detect lowlevel network attacks.

This article is using the making of the information systems at Tangshan Power Supply Company as an example,mainly focusing on application system s (such as electricity billing,accounting,power tickets,substation records, starting materials distribution) data analysis,to provide application systems data audit methods,and to compare wi.

Research and Implementation of Technology in Key Management and Data Auditing of Anti-Disclosure for Documentation;

This thesis demonstrates a comprehensive method using Data Cleansing,Data Standard,Data Auditing and Data Analysis,overall ensures the quality of Data Integration,and effectively feed back the quality issues of integrated data.

This paper presents the principle and operating define of table trigger technique,and on the basis of an example data operation tracking application,discusses the ways to establish the user s operating logs to provide the safety of data operation with table trigger technique in developing VFP application program.

According to the features of the object oriented database and its query,the mark based data operation parallel executing algorithm is proposed,the theoretical analysis and simulation results show that it is an efficient practical algorithm.