Data Encryption In Dbms

The necessity of database encryption large database management system platform is typically Windows NT and Unix, these operating system security level is usually C1, C2 level. They have user registration, user identification, Arbitrary access control (DAC), audit and other security functions. Although the DBMS on the basis of the OS added a number of security measures, such as access control based on permissions, but the OS and DBMS on the database file itself is still lack of effective protection measures, experienced online hackers will "bypass", directly using the OS tools to steal or tamper with the database files ...

IBM Infosphere Guardium is a software http://www.aliyun.com/zixun/aggregation/13681.html "> Data protection and encryption system." It provides limited access and encryption for files, file systems, and IBM DB2 files that are specified using policies. Figure 1 shows the architecture of the Infosphere Guardium. Figure 1. Infosphere Guardium ...

Cloud computing data processing and storage are carried out on the cloud platform, computing resource owners and users of the separation has become the inherent characteristics of the cloud computing model, resulting in users of their own data security storage and privacy concerns are inevitable. Specifically, user data even includes privacy-related content in remote computing, there are potential for intentional or unintentional leaks in storage and communication, as well as data loss caused by failures such as power outages or downtime, even for unreliable cloud infrastructure and service providers, and may be inferred from the analysis of user behavior, Learn about the user's privacy letter ...

With the popularity of the Internet and the continuous development of network technology, the confidentiality requirements of data are more and more high. In the usual server/client mode mis development, because the program to maintain the connection with the database server, for the flexibility and extensibility of the program, the join parameters (user ID and login password) can not be written in the program death (in fact, writing death is not a good way), There are two kinds of general methods: one is to store the join parameters in the registry, and the other is to read the INI file directly. And the safety of several methods are not very good, give people the opportunity. Myself...

The concept of large data, for domestic enterprises may be slightly unfamiliar, the mainland is currently engaged in this area of small enterprises. But in foreign countries, big data is seen by technology companies as another big business opportunity after cloud computing, with a large number of well-known companies, including Microsoft, Google, Amazon and Microsoft, that have nuggets in the market. In addition, many start-ups are also starting to join the big-data gold rush, an area that has become a real Red sea. In this paper, the author of the world today in the large data field of the most powerful enterprises, some of them are computers or the Internet field of the Giants, there are ...

In a recession, companies in all industries face budget pressures, especially when it comes to investing. The problem is compounded by the numerous business opportunities and potential problems associated with the new storage architecture. Therefore, for many enterprises, find the principle of IT system optimization and cost control, is the key to maintain the benign operation of the business and use the original resources to create more value. Even if the economic situation is not good, the company's four key strategic principles of IT systems will always remain unchanged, these principles for the enterprise's IT system optimization and cost control to provide the yardstick. No matter ...