Letter Encrypt For Free

A Definition of Data Encryption Data encryption translates data into another form, or code, so that only people with access to a secret key (formally called a decryption key) or password can read it. Encrypted data is commonly referred to as ciphertext, while unencrypted data is called plaintext.

Encryption is the method by which information is converted into secret code that hides the information's true meaning. The science of encrypting and decrypting information is called cryptography.Encryption has been a longstanding way for sensitive information to be protected.

Encrypt a single messageIn message that you are composing, click File > Properties.Click Security Settings, and then select the Encrypt message contents and attachments check box.Compose your message, and then click Send.

In broad terms, there are two types of data you should encrypt: personally identifiable information and confidential business intellectual property.Personally Identifiable Information (PII)Confidential Business & Intellectual Property.More items...?Oct 3, 2017

On the Review tab, in the Protect group, click Protect Document, and then click Restrict Formatting and Editing. In the Editing restrictions area, select the Allow only this type of editing in the document check box. In the list of editing restrictions, click No changes (Read only).

Encryption is the process of encoding a document or data so that only individuals with access to a secret key, password, or token can open and decrypt (make readable) the information.

A Definition of Data Encryption Data encryption translates data into another form, or code, so that only people with access to a secret key (formally called a decryption key) or password can read it. Encrypted data is commonly referred to as ciphertext, while unencrypted data is called plaintext.