File Security

Directories or folders (files) are securable objects. They have permission or access rights controlling who can execute, delete, write, or read them at a very basic level through ACLs (access control lists).

It’s relatively general and pretty all-encompassing to use the term “file security”. It does, after all, cover network logins, servers, user accounts, applications, databases, technologies and processes for protecting files, and the network itself. But if you delve a little deeper, you’ll see that, whether it applies to servers or desktops, data security means file protection anywhere on your system. It’s a good umbrella term, “data security”, but to understand file security, more details are needed.

Let’s take a look at some tricks of the trade pertaining to file security.

File Security Packages

To help employees get their work done, enterprise computing environments are precisely designed. When it comes to top-secret government projects and such, secure operating systems are built from the ground up. But for your average person on the street, an existing commercial operating system is what most people end up learning to work with. Individuals have to find their own ways of avoiding data security lapses by minimizing risks.

To boost your file security system, here are three easy to implement tips:

  • Minimal least privilege permission
  • RBAC or roll your own role-based access control
  • Eliminate everyone

Selective File Encryption: Pseudonymization

In order to reduce some burdens of the law, for encoding personal data, the GDPR approved technique is Pseudonymization. It is considered a measure of security protection. The idea is, with a random code, to replace personal identifiers. It’s on the same basis through which the identities of writers are hidden with pseudonyms.

With Pseudonymization, though data subjects and identities are hidden, employees are still able to work with pseudonymized files. In other words, the file is still readable except for the subjects and identities.

File Encryption

Considered somewhat extreme by many, one valid technique is file encryption. Though somewhat impractical for file data securing, it is safe. For folders, it can be turned on selectively, and it is Windows supported. Both symmetric and asymmetric encryption are used by Windows, technically. Unencrypted files can only be seen by the owner. The private part of the asymmetric key can only be accessed by the user. For the sharing of folders and files, however, this does not lend itself to multiple users because one user is in control of the encryption.

Access Control Limits (ACLs)

Compared to Linux, Windows’ permissioning system is far more complex. For any group or active directory user, the Windows system allows users to define a permission. Together, an access mask and the SID (security identifier) are referred to as an ACE or access control entry.

Permissioning can be made pretty complex, however, by ACLs. But you can combine groups that need folder access into a larger group, after assigning specific users to the group in question. This saves the trouble of the not so recommended act of each user needing folder or file access having their own ACE.

Uni-Linux Permission

This permissioning system is classic and relatively simple. You may hear it referred to as the user-group-other model. It’s an easy way of deciding to whom permissions apply and provides read-write-execute permissions on a basic level. It uses three classes into which to divide the user community: users that belong to groups that the owner is also a part of, the user or owner of the file, and everybody else. Since 2006, Proxy Key has been a trusted provider of proxies that can help ensure privacy and security. Best of all, this security method is hassle free. If you like to find out more, contact us today.