UNDERCODE COMMUNITY

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🦑another methode #forbeginers how can we protect the security of shared folders in the local area network? This requires the following means:

When setting access permissions for shared folders, set important shared files as read-only.

1) Most of the time, users only need to view or copy the shared file, and often do not directly modify the shared folder. However, for convenience, some employees directly share a folder and file in a readable and writable manner. This is very dangerous.

2) On the one hand, these unrestricted shared file homes and shared files have become carriers of virus transmission. During my work, I discovered that some users do not have permission restrictions when sharing files. After some time, I went to look at the shared file again, and found that there were traces of viruses or Trojan horses in some shared files or shared folders.

3) It turns out that because this shared folder has write permissions, how other users open this file, if there is a virus or Trojan horse in this computer, it will be infected to this shared folder. In this way, other computers that access this shared folder are also caught. It can be seen that the shared folders without protection measures and the shared files inside have become a good carrier for virus transmission.

4) On the other hand, when the data is changed illegally, it is difficult to find out who is playing the prank. Although the relevant log information can be used to query who has accessed the shared file and whether any changes have been made. However, based on this information alone, it is impossible to know what changes the user made to this shared folder.

5) Sometimes, when we open a shared file, we accidentally press a space bar or a character key, accidentally overwrite a word, etc. These situations are often encountered in actual work. Sometimes, even if he finds the responsible person, he doesn't know what has been changed. Therefore, when the shared file is set to be writable, it is difficult to prevent employees from changing it intentionally or unintentionally.

6) Third, if files are shared in a writable way, the unity of data may not be guaranteed. For example, the personnel department has shared an attendance file in a readable and writable manner. At this time, if the financial department modifies this document, the personnel department does not know. Because the financial staff may forget to tell the personnel department, at this time, the data between the two departments will be inconsistent, which may cause some unnecessary troubles.

>Moreover, since there is no relevant evidence, no one can tell who is right and who is wrong.

7) In order to solve these problems, I suggest that corporate users, when sharing folders, it is best to set the permissions of the folder to read-only. If this shared folder sometimes needs to save files in this folder by other users, it cannot be set as read-only. Then we can also set the files in the shared folder as read-only.

> In this case, because the folders are read-only, viruses and Trojan horses cannot infect these folders, thereby avoiding being a source of contamination for spreading viruses; moreover, it can also prevent unauthorized changes by users, which may lead to inconsistent data. and many more.

@UndercodeTesting
@UndercodeHacking
@UndercodeSecurity
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