These platforms only work if both a sender and recipient use the same encryption software. They incorporate many different techniques for securing emails, which can be split into two main categories.Įnterprise email encryption platforms are typically used for internal communication in large corporations or between governmental facilities. To counter the imperfections of existing encryption methods companies have built lots of sophisticated tools for email and data encryption. If you’re interested to read more about this, check out our article on SMTP Security. It may be fine for casual messaging, but for companies or governments sending heavily classified data over emails, it’s too much. However, if it fails due to a timeout, lack of server support for this solution, or just about any error, the transmission will be processed in plain text.
This means that when a transmission is launched, an email client uses a command called STARTTLS to try to upgrade the connection to a secured one.
If security is breached, all sensitive data will easily be exposed.Īnother caveat is that the SSL/TLS used by nearly all clients is, by default, opportunistic. SSL/TLS also doesn’t encrypt emails sitting in your inbox or your receiver’s. At this point, they’re decrypted and processed further in plain text, making them susceptible to attack. SSL/TLS only encrypts emails on their way from a client to an outgoing server. Things have definitely improved.īut your emails are still far from safe. These days, all major clients provide some form of encryption. New methods, such as SSL and TLS, have been introduced for encrypting your emails. Of course, ever since the 80s, efforts have been made to address this problem. If there’s a breach at any stage, all the information will be easily accessible to hackers. This means that your emails are often transmitted between servers in plain text mode. Old technology serves the purpose well but offers little to no security. Is there a need for more email encryption?Ī huge majority of emails sent over the internet are transferred via the SMTP protocol. What should you pick? Let’s go through the best available options. However, those who do give it some more thought use some of the best email encryption software on the market and keep their data secure. And rightly so! Those who ignore such vital concerns are often the hacker’s first victims. Nearly every day we hear about email leaks and we start to wonder if our data is secure. There’s a lot of talk going on about data encryption.
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