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Blog Why is data encryption necessary

Encryption is essential in protecting many types of information technology (IT) assets. If you are concerned about your online privacy, you should know the importance of encryption in safeguarding your data confidentiality and integrity.

A lock and some cypher text in two chats that represent the encrypted communication

Privacy

Encryption protects the data at rest or in transit. It ensures that no one can read the information you send, receive, and store on a device. Except for the data's owner, only the authorised parties that received the encrypted data can access the original data using the cryptographic key. Through Liverado encrypted email service, the emails you send, receive, and store on our server are encrypted. It prevents attackers, ad networks, internet service providers and governments from intercepting and reading your sensitive data.

Security

Encryption prevents data breaches when the data is in transit or at rest. For example, a corporate device is stolen. However, its hard drive is adequately encrypted. In this case, the information on that device will still be secure. Similarly, encrypted communications allow communicating parties to exchange sensitive data without filtering it. When you send, receive, and store emails, encryption can protect your sensitive data (identification numbers, social security numbers, bank information, login credentials).

Data integrity

Encryption helps prevent malicious behaviour, such as on-path hacking. For instance, when data is transmitted over the Internet, encryption and other integrity protections ensure that the content received by the receiver will not be tampered with along the way. Encryption ensures no one can change the contents of a message in transit. That means the data you are receiving is the actual and valid data from the sender without manipulation.

There are many other reasons you need data integrity. For example, protecting public data saved to your devices or ensuring the software you downloaded has not been modified by malware.

Authentication

Public key encryption can establish that a website owner owns the private key contained in the website's TLS certificate. It ensures websites users connect to the actual website. Authenticated emails assist ISPs (Internet Service Providers) and mailbox providers in better identify legitimate emails to prevent spam, spoofing and phishing. For example, spammers can forge your domain to send fake messages or emails that appear from you. But if you use SPF (sender policy framework) technology. SPF allows receiving servers to verify the mail sent is coming from your domain and sending by a mail server authorised by you.

Regulations

Many governments require companies to keep user data private. The compliance standards and regulations requiring encryption include such as PDPA, HIPAA, PCI-DSS, and GDPR.

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