What is the difference between SSL and TLS and why it matters to you?

What is the difference between SSL and TLS and why it matters to you?

First, why it matters to you. If you are reading this it’s most likely being read on a smart phone, tablet, laptop or desktop computer and that means that you are connected. If you are connected then you probably are sharing personal data, your name, address, phone number or even more personal data over your connected device. SSL is moving to the TLS protocol and some devices and programs for those devices will not be compatible and your data will not be transmitted securely.

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For a quick check to see if your browsing method is secure you should visit the link below with any and all of your devices and software clients.


To understand a little more on the 2 protocols you can read more below and at the links to the more detailed descriptions at Wikipedia.

Secure Sockets Layer (SSL) is a cryptographic protocol that enables secure communications over the Internet. SSL was originally developed by Netscape and released as SSL 2.0 in 1995. A much improved SSL 3.0 was released in 1996. Current browsers do not support SSL 2.0.

Transport Layer Security (TLS) is the successor to SSL. TLS 1.0 was defined in RFC 2246 in January 1999. The differences between TLS 1.0 and SSL 3.0 were significant enough that they did not interoperate. TLS 1.0 did allow the ability to downgrade the connection to SSL 3.0. TLS 1.1 (RFC 4346, April 2006) and TLS 1.2 (RFC 5246, August 2008) are the later editions in the TLS family. Current browsers support TLS 1.0 by default and may optionally support TLS 1.1 and 1.2.