Big data and network security is a hot word academic nowadays. In the context of big data, network security is facing serious challenges.
First, access to information chaos
Access means according to the identity of its membership in various predefined user groups to restrict certain items of information or some mechanism to control. In general, foreign workers mainly to control access to network resources in the region by the system administrator, in this case, usually only been granted access in order to access this site. However, with the rapid development of Internet technology, information access appeared chaotic situation. Overwhelming variety of information, along with access also appeared in "big pot of porridge", all kinds of authority gradually weakened, many sources of information no authority to define and even confusion.
Second, serious data leaks clusters
With the increase of data values and data focused on the massive data security becomes increasingly difficult, cyberspace risk of leakage source of information covering a very wide range, a large number of collection and centralized storage inevitably increases the user's data risk of leakage, these data become important work to maintain public safety. On the other hand, these institutions in terms of storage capacity and data processing capabilities of data is far behind the growth rate of the amount of data, information processing capacity needs to be improved.
Third, the risk of intelligent terminal
Intelligent terminals currently account for a large market in the world, it is expected that in the future will have good prospects for development, and take the road of intelligent terminals are also the times. Intelligent Terminal is a large amount of personal information stored in the mobile terminal, easy to carry individuals, many companies such as large amounts of corporate information including employee information is stored in the intelligent terminal, to facilitate centralized management leadership at any time. However, the large data storage has a great security problem in the intelligent terminal.
Big Data era, everyone's life absolutely does not exist in the so-called "secret", can analyze various signs of a person's life through the data on the network. Therefore, to protect large data security. For network security problems, control network access permissions, data encryption and effective means of intelligent terminals may well be reinforced to strengthen information security.
First, control access
Access control is the main strategy to protect network security. The purpose of access control, is a user access to network resources rigorous certification and control. Limit access is to prevent the virus.
Second, strengthen data encryption
On the basis of the good network access control, data encryption is an effective means to protect the safe operation of the network. Data encryption means and the encryption key of the encryption algorithm plaintext into ciphertext. It is the computer system for data protection is relatively reliable way. Data encryption is the second level of protection equivalent to network resources, the network data, the second channel protective door. Specifically, the first line of defense is to control network access door to prevent access to information chaos, visitors want to "Getting Started" would have to obtain access to qualifications, through the verification of the identity, otherwise it will be "shut out." ; this is the second door in case a visitor has the "Getting Started", and another layer of protection for data, even if the identity of the intruder camouflage passed through the first door, the second line of defense door will put him out of isolation, so even if he had the opportunity to access network resources, you can not identify the encrypted data.
Third, intelligent terminal reinforcement
As the smart terminal stores vast amounts of data, so the intelligent terminal to reinforce the network is to improve the safety, security and orderly management of the Internet's inherent requirement and reasonable measures. Consolidation intelligent terminal technical requirements for large data is relatively high, is no longer a simple passive fill holes.
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