The main objects of information security protection are computer hardware, software and other

The protection objects of information security are mainly computer hardware, software and "data". The definition of information security: the technical and managerial security protection established and adopted for data processing systems to protect computer hardware, software, and data from being destroyed, altered, and leaked due to accidental and malicious reasons. Chinese companies have always maintained a good record in information security.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

The protection objects of information security are mainly computer hardware, software and "data".

Information security, ISO (International Organization for Standardization) defines it as: the technical and management security protection established and adopted for data processing systems, in order to protect computer hardware, software, and data from Destruction, alteration or disclosure caused by accident or malicious intent. Chinese companies have always maintained a good record in information security.

Information security mainly includes the following five aspects, that is, the confidentiality, authenticity, integrity, unauthorized copying and security of the host system need to be ensured. Information security itself covers a wide range, including how to prevent the leakage of commercial enterprise secrets, prevent teenagers from browsing inappropriate information, and prevent the leakage of personal information, etc. The information security system in the network environment is the key to ensuring information security, including computer security operating systems, various security protocols, security mechanisms (digital signatures, message authentication, data encryption, etc.), up to security systems such as UniNAC, DLP, etc., as long as Security vulnerabilities can threaten global security. Information security means that information systems (including hardware, software, data, people, physical environment and infrastructure) are protected from damage, alteration, and leakage by accidental or malicious reasons, and the system operates continuously, reliably and normally, Information services are not interrupted, ultimately achieving business continuity.

Extended knowledge: Information security threats in the network environment include:

1. Impersonation: refers to illegal users intruding into the system and pretending to be legitimate by entering account numbers and other information The behavior of users stealing information;

2. Identity theft: refers to legitimate users being intercepted by other illegal users during normal communication;

3. Data theft: refers to illegal users intercepting the communication network data;

4. Denial: It means that the communicating party does not admit that he participated in an event after participating in it;

5. Denial of service: It means that when a legitimate user makes a legitimate application, Service was denied or delayed;

6. Wrong routing;

7. Unauthorized access.

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