McAfee OFFICE 3.1 Manual do Utilizador descarregar pdf (Página 8)

Introduction

8 |

How Endpoint Encryption for Files and Folders works

The Endpoint Encryption for Files and Folders client encrypts folders and documents

according to policies set by Endpoint Encryption Administrators, and delivered to you

over the network. The Endpoint Encryption for Files and Folders client acts like a filter

between the application creating or editing the information and the storage media,

e.g. the hard disk.

Whenever a document is written to supported storage media, Endpoint Encryption for

Files and Folders executes assigned encryption policies and encrypts the information if

applicable. When an application later reads the information, the encryption engine

automatically decrypts the file when it is read into the computer memory, but:

The source file is always encrypted on disk

The encryption/decryption happens automatically and is fully transparent. You won’t

notice any difference between working with encrypted and plaintext documents; your

working procedures are not, and must not, be disturbed.

When a document is encrypted, it is encrypted at its original location on the disk.

Hence, no copies or other special files are created when encrypting a document. The

original document remains encrypted at all times, only the parts read into the memory

are decrypted when an application, e.g. Microsoft® Word™, reads the document.

When the application closes the document, the memory is wiped and the original

document is still encrypted on disk. No decrypted traces of the document remain in

the computer memory.

Endpoint Encryption for Files and Folders can encrypt documents and folders on

basically all modern platforms, whether it is the local hard disk, the file server or a

USB flash memory.

Encrypted folders and documents are always visible to you. Thus, you can search for,

and will recognize, documents and folders as they were before encryption. The only

difference is a small padlock icon that can be optionally attached to the document or

folder icon, marking it as encrypted. Your Endpoint Encryption Administrator decides

through your policy if the padlock shall be visible or not.

With Endpoint Encryption for Files and Folders, it is easy to encrypt documents and

folders. Encryption can be enforced either by a policy or by the user right-clicking

folders and documents.

A key feature of Endpoint Encryption for Files and Folders is the principle of

containment, or persistent encryption. This means that the encrypted folder or

document always will keep its encryption, irrespective how it is edited, moved or

copied.

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McAfee OFFICE 3.1 Manual do Utilizador Página 8