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[cyteksecurity]

Email encryption and data back up

Email encryption

Email contains sensitive information, such as Social network logins, bank account numbers, encryption involves encrypting or making into a format that a third party can’t understand the content of email messages in order to protect potentially sensitive information from being read or using from other recipients. Email encryption often includes authentication.

Hackers who gain unauthorized access to an email account can access attachments, content, and even hijack your entire email account.

Things to encrypt in Email

1.      The connection from your email provider

2.      Your actual email messages

3.      Your stored, cached, or archived email messages

The public key infrastructure (PKI) is used to encrypt and decrypt emails. Each person is assigned public and private key in the form of digital code.

Email encryption in Gmail

Gmail already has already S/MIME built into the app, but it only works if both the sender and receiver have it enabled. After enabling hosted S/MIME follow the instructions below:

Compose your message as you     normally would. 

Click on the lock icon to the     right of the recipient.

Click on “view     details” to change the S/MIME settings or level of encryption.

Look for the colour codes after encryption:

   If it is Green, S/MIME encrypted email needs a private key to decrypt the message.Gray signifies that TLS protected email can only decrypt if both the sender and recipient have TLS capabilities. And red for no encryption security.

  Direct Email encryption like in Gmail can also be possible in Outlook and ios, but some services like Yahoo, Android, AOL needs third-party encryption tools like SSL, PGP/MIME for email encryption.

Some e-mail services apps like Proton Mail, Cipher mail, Mailvelope, etc.. Provides manual encryption for email contents, attachments and contacts in the background.

Data back up    

 Data back up refers to the replication of files that is already in secondary storage, so that it may be used to restore the original after any data loss event. Cloud services and related options facilitate easy remote data storage where the data size doesn’t matter. In addition to remote data backup, there are several  new methods, such as failback and failover systems that automatically switch the destination of data and store securely

There are more than ten different types of data backup, Most commonly used ones are :

 Full backup: when every single file and folder in the system is backed up. Incremental backup:  initially full backup, Subsequent backups only stores changes that were made since the previous backup

 Differential backup:  Similar to incremental backup, This type of backup requires more storage space than incremental backup does, however, but it also allows for a faster restore time. 

 Mirror backup: As the name implies, Mirror back up is when an exact copy is made of the source data. The advantage is that you’re not storing old, obsolete file. 

 For an expert opinion on  security services or data backups contact us: https://www.cytek.com/contact-us/