Disadvantages of big data

"Big data" is undoubtedly a hot term at the moment. When it comes to data analysis, we must talk about big data. Combined with many years of data analysis experience, we will make an explanation of the risks and existing problems faced by big data, and hope to start from the perspective of big data itself. Starting from the characteristics, we discuss its impact on the industry and scientific research, hoping to stimulate more thinking and discussion.

1. Social security issues.(Recommended learning:PHP video tutorial)

China’s Internet users have reached nearly 600 million, and a large amount of data is generated and consumed every moment. The Internet The amplification effect, speed of communication and ability to mobilize are getting bigger and bigger, and various social contradictions are superimposed, resulting in frequent social group incidents.

2. Personal privacy.

Information technology tools that people can use are everywhere, and so is all kinds of personal information. In cyberspace, identities are becoming more and more virtual, and privacy is becoming more and more important. According to a recent research report released by Harvard University, as long as a person's age, gender and zip code are available, about 87% of that person's personal information can be searched from public data.

3. Threats to the national economy.

The operation of the national economy and the development of smart society, which can be called smart transportation and smart grids, are highly dependent on the information base. The higher the level of intelligence and network intelligence of these important information infrastructures, the more fragile their security will be. .

4. National security interests.

Cyberspace information security, problem severity, and urgency have far exceeded other traditional security to a large extent. All non-traditional security threats faced by sovereign countries today are always a drop in the ocean. In this dilemma, the needle the government is looking for often sinks in the vast sea.

5. Secret protection.

The relationship between the National Security Agency and the Internet giants is the combination of computing power and massive data. Therefore, most of the world's data is in their hands, and their large amounts of data are not protected online. .

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