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Encrypt confidential information in email communication effectively and securely.

Business emails often contain in-house, personal or other sensitive content that could be intercepted and accessed without authorization if inadequately protected.

Encryption of data has become a priority because of compliance requirements as well as enactment of the General Data Protection Regulation. In a business environment, exchange of sensitive files and information takes place primarily via email communication. Cyber criminals rely on the “Man-in-the-Middle” to pick up valuable information here. Encryption of the transmission path is essential to protect this data.

What is end-to-end email encryption?

End-to-end email encryption is a method of transmitting data where only the sender and receiver can read email messages. With end-to-end email encryption, the data is encrypted on the sender’s system. Only the intended recipient will be able to decrypt and read it. Nobody in between can read the message or tamper with it. End-to-end email encryption provides the highest level of confidentiality and protection to your email communication.

Ensure all-round encrypted exchange of emails with Email Encryption from My IT Company for reliable, secure email communication.

How email encryption works

Encryption, put simply, is no more than scrambling up the contents of a message so that only those with a key can decrypt it. Sort of like those puzzles you did in school where every letter of the alphabet had to be converted to some other letter of the alphabet so as to decode the final message. Computers make the scrambling far more complex and impossible for a human to crack by hand. When you encrypt an email, its contents are scrambled, and only the recipient has the key to unscramble it.

To make sure only the intended recipient can decrypt the message, email encryption uses something called public key cryptography. Each person has a pair of keys–the digital codes that allow you to encrypt and decrypt messages. Your public key is stored on a key server where anyone can find it, along with your name and email address. Conversely, you can find other people’s public keys on keyservers to send them encrypted email.

When you encrypt an email, you use the recipient’s public key to scramble the message. Due to the technology behind this type of cryptography, the public key cannot be used to decrypt it. The email can then only be decrypted by the recipient’s private key, which is stored somewhere safe and private on his or her computer.

Note that you cannot send encrypted email to someone without access to their public key. We’ll talk about a couple different types of email encryption and explain how key sharing works in each.

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What are the benefits of cloud-based email encryption?

Cyber security is a top priority for all businesses in today’s digital world where email systems are among the most common attack vectors that the criminals take advantage of. The theft of delicate data via email can result in irreparable damages for a business, at times even dramatically compromising a business’s ability to securely communicate with customers, peers, investors, employees, etc., but with robust encryption, this data can remain protected with email security.

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Protect Secret Information

One major benefit of having email security in place is to protect secret information. All businesses, regardless of industry, want to maintain the privacy of valuable company data. From intellectual property to financial records, to top-secret company information and trade secrets, email encryption secures information intended to remain private, protecting it from landing in the hands of unauthorized parties. And so, through encrypting, or disguising, email contents, email encryption solutions work to successfully protect secret information from being accessed and read by anyone outside of the intended audience.

Email Security for Compliance

Business dealing with financial data, student records, medical records, credit card information, etc. must abide by certain compliance guidelines. Many of these guidelines, specifically HIPAA, CJIS, and CFPB, require encryption, while others like GDPR strongly encourage it. Although there are various compliance metrics that either mandate or recommend email encryption, they all require that organizations protect employee and customer data such as electronic Personal Health Information (ePHI), Personal Identifiable Information (PII), or Nonpublic Personal Information (NPI). Email encryption serves to help individuals and businesses accomplish this, “preventing accidents, and preventing data breaches in the case of a hacker breaking into your system.”

Cost Efficiency

Not only does email encryption serve to protect private user data with unmatched security, but it can also yield economic benefits. Email providers and platforms that allow for the seamless integration of encryption tools through their servers negate the need for users to purchase extra equipment or hardware pieces for their network environment. Trusted third-party servers often are far less costly than individual servers, which are often unnecessary.

Avoid Identity Theft

It is not uncommon for businesses to send out emails that contain sensitive content, including but not limited to Social Security numbers, bank account numbers, credit card numbers, financial terms, and additional highly-valuable personal financial information. When these credentials are shared via email and are left unencrypted, individuals are incredibly vulnerable to identity theft. Moreover, if a malicious actor manages to access an individual’s username and password, gaining access to their email server, that attacker will be able to access sent messages and send fraudulent messages disguised as the account owner. With email encryption, emails are rendered unreadable to all parties except the intended recipient.


By implementing an email security system, companies can help their employees to better differentiate authentic, legitimate senders from spam or phishing email — which continues to plague inboxes on a global scale. Authentication prevents malicious actors from performing attacks, like stealing private keys or tricking the sender into using an incorrect public key, through the use of digital signatures. These signatures are unique digital codes that are entirely specific to each distinct user. Users can purchase digital certificates and unique codes from certificate authorities (CAs), which will serve to verify each party and automatically handle encryption key management. By protecting both private and public encryption keys from bad actors, encryption authentication maintains the security of all encrypted messages and attachments as well as your company email address.


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